Silk Road forums

Discussion => Drug safety => Topic started by: MasterS on October 18, 2012, 02:41 pm

Title: Reagent Compendium
Post by: MasterS on October 18, 2012, 02:41 pm
Make Your Own Reagents

Here are instructions on how to make reagents (you can also buy testing kits) and some references for a few drugs.

A.1 Scott test
Chemical Name: Cobalt Thiocyanate
Preparation: Dissolve 2.0 g of cobalt (II) thiocyanate in 100 mL of distilled water.
Procedure: Place approximately 2 to 4 milligrams of a target substance in a glass test tube, then add 5 drops of cobalt thiocyanate reagent. After shaking, 1 or 2 drops of concentrated hydrochloric acid is added, and the tube is again shaken. Ten drops of chloroform (or a similar solvent) are then added, and the tube is vortexed, and then allowed to settle and separate into two layers. The color is then observed.
Also, here are some other reagents that may be of interest.

A.2 Dille-Koppanyi Reagent, Modified
Tests for: Barbiturates
Solution A: Dissolve 0.1 g of cobalt (II) acetate dihydrate in 100 mL of methanol. Add 0.2 mL of glacial acetic acid and mix.
Solution B: Add 5 mL of isopropylamine to 95 mL of methanol.
Procedure: Add 2 volumes of solution A to the drug, followed by 1 volume of solution B.

A.3 Duquenois-Levine Reagent, Modified
Tests for: Cannabis
Solution A: Add 2.5 mL of acetaldehyde and 2.0 g of vanillin to 100 mL of 95 percent ethanol.
Solution B: Concentrated hydrochloric acid.
Solution C: Chloroform.
Procedure: Add 1 volume of solution A to the drug and shake for 1 min. Then add 1 volume of solution B. Agitate gently, and determine the color produced. Add 3 volumes of solution C and note whether the color is extracted from the mixture to A and B.

A.4 Mandelin Test
Reagent Preparation
Reagent: Suspend 1 g of finely powdered ammonium vanadate in 100 ml of concentrated sulfuric acid (relative density 1.86).
Procedure
- Place a small amount (1-2 mg of powder, or 1-2 drops of a liquid) of the suspected material in a small test tube.
- Add one drop of Mandelin Reagent.
- Observe the color of the mixture.

A.5 Marquis Test
Reagent Preparation
Reagent 1: Add 8-10 drops (approx. 0.25 ml) of 37% formaldehyde solution to 10 ml of glacial acetic acid.
Reagent 2: Concentrated sulphuric acid.
Procedure
- Place a small amount (1-2 mg of powder, or 1-2 drops of a liquid) of the suspected material in a depression on a spot plate.
- Add one drop of Reagent 1, then one drop of Reagent 2, and stir.
- Observe the color of the mixture.

A.6 Nitric Acid

A.7 Erlich's Test (aka PDMAB Test)
Reagent Preparation
Reagent: Dissolve 0.5 g p-dimethylaminobenzaledehyde (p-DMAB) in 50 ml ethanol and 50 ml conc. hydrochloric acid.
Procedure
- Place a small amount (1-2 mg of powder, or 1-2 drops of a liquid) of the suspected material in a small test tube.
- Add one drop of Erlich's Reagent.
- Observe the color of the mixture.

A.8 Ferric Chloride

A.9 Froede Reagent

A.10 Mecke Test
Reagent Preparation
Reagent: Dissolve 1 g selenious acid in 100 ml conc. sulfuric acid.
Procedure
- Place a small amount (1-2 mg of powder, or 1-2 drops of a liquid) of the suspected material in a small test tube.
- Add one drop of Mecke Reagent.
Reagent Preparation
- Observe the color of the mixture.

A.11 Zwikker Reagent

A.12 Simon’s Test
Reagent Preparation
reagent 1: Dissolve 2 g of sodium carbonate in 100 ml of water
(=2% aqueous sodium carbonate solution).
Reagent 2: Dissolve 0.9 g of sodium nitroprusside in 90 ml of water (=1% aqueous sodium nitroprusside solution). Methylone Reagent 3: Mix 10 ml of acetaldehyde solution and 10 ml of ethanol (=50% (v/v) ethanolic acetaldehyde solution).
Procedure
- Place a small amount (1-2 mg of powder, or 1-2 drops of a liquid) of the suspected material in a depression on a spot plate.
- Add one drop of Reagent 1 and stir.
- Add one drop of Reagent 2, and then one drop of Reagent 3.
- Observe the color of the mixture.

Sodium Nitroprusside Test
Reagent Preparation
Reagent 1: Mix 25 ml of a 1% sodium nitroprusside solution with 1 ml acetaldehyde.
Reagent 2: 2% sodium carbonate solution.
Procedure
- Place a small amount (1-2 mg of powder, or 1-2 drops of a liquid) of the suspected material in a depression on a spot plate.
- Add one drop of Reagent 1 and stir.
- Add one drop of Reagent 2.
- The color is formed immediately after Reagent 2 is added.

Gallic Acid Test
Reagent Preparation
Reagent: Dissolve 0.1 g of gallic acid in 20 ml of concentrated sulphuric acid (=0.5% (w/v) solution)
Procedure
- Place a small amount (1-2 mg of powder, or 1-2 drops of a liquid) of the suspected material in a small test tube.
- Add one drop of Gallic Acid Reagent.
- Observe the color of the mixture.

Chen's Test
Reagent Preparation
Reagent 1: Add 1 ml of glacial acetic acid to 100 ml of water (=1% (v/v) aqueous acetic acid solution).
Reagent 2: Dissolve 1 g of copper (II) sulphate in 100 ml of water (=1% (w/v) aqueous CuSO4 solution).
Reagent 3: Dissolve 8 g of sodium hydroxide in 100 ml of water (=2N aqueous sodium hydroxide solution).
Procedure
- Place a small amount (1-2 mg of powder, or 1-2 drops of a liquid) of the suspected material in a depression on a spot plate.
- Add 2 drops of Reagent 1.
- Add 2 drops of Reagent 2, then add 2 drops of Reagent 3 and stir.
- Observe the color of the mixture.



Reference: Color Test Reagents/Kits for Preliminary Identification of Drugs of Abuse, NIJ Standard–0604.01



Title: Re: Reagent Compendium
Post by: MasterS on October 18, 2012, 02:45 pm
Reagent list
A.1-A.12

A.1 Cobalt Thiocyanate
1. Cobalt Thiocyanate – HARMFUL. Harmful if swallowed. Readily absorbed
through the skin. Target organs: lungs, thyroid. Wear suitable protective clothing and
gloves.

A.2 Dille-Koppanyi Reagent, Modified
1. Cobalt (II) acetate dihydrate – TOXIC. May cause cancer. May cause heritable
genetic damage. Harmful by inhalation, contact with skin, and if swallowed. May cause
sensitization by skin contact. Causes irritation. Target organs: lungs, thyroid. In case of
accident or if you feel unwell, seek medical advice immediately. In case of contact with
eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable
protective clothing, gloves, and eye/face protection. Do not breathe dust.
2. Methanol - POISON, FLAMMABLE.2 Flammable liquid and vapor. Cumulative
poison. Harmful if inhaled. May be fatal or cause blindness if swallowed. Can cause eye,
skin, or respiratory system irritation. Wear suitable protective clothing and gloves.
3. Glacial acetic acid – ACID.3 Combustible, flammable, corrosive, organic acid.
Causes severe burns. Harmful in contact with skin. Lachrymator. Target organs: teeth,
kidneys. Keep away from sources of ignition. In case of accident or if you feel unwell,
seek medical advice immediately. In case of contact with eyes, rinse immediately with
plenty of water and seek medical advice. Wear suitable protective clothing, gloves, and
eye/face protection. Incompatible with carbonates, hydroxides, many oxides and
phosphates, etc.
4. Isopropylamine – FLAMMABLE.2 Corrosive. Causes burns. Toxic by inhalation,
in contact with skin, and if swallowed. Keep away from sources of ignition. Take
precautionary measures against static discharges. In case of accident or if you feel unwell,
seek medical advice immediately. In case of contact with eyes, rinse immediately with
plenty of water and seek medical advice. Wear suitable protective clothing, gloves, and
eye/face protection.

A.3 Duquenois-Levine Reagent, Modified
1. Acetaldehyde - EXTREMELY FLAMMABLE,2 TOXIC. May cause cancer.
May cause heritable genetic damage. Harmful by inhalation, in contact with skin,
and if swallowed. May cause sensitization by inhalation and skin contact.
Possible risk of harm to unborn child. Causes severe irritation. Lachrymator.
Photosensitizer. Target organs: kidneys, liver. May develop pressure. Keep
away from sources of ignition. In case of contact with eyes, rinse immediately
15
with plenty of water and seek medical advice. Wear suitable protective clothing,
gloves, and eye/face protection.
2. Vanilin – none.
3. Ethanol – FLAMMABLE.2 May irritate in body tissues. Use with adequate
ventilation. Avoid breathing vapor. Do not get on eyes, skin, or clothing. Wash
thoroughly after handling. Do not swallow or inhale. Wear suitable protective
clothing and gloves.
4. Hydrochloric acid – ACID,3 TOXIC, CORROSIVE. Liquid and mist cause
severe burns to all body tissue. May be fatal if swallowed or inhaled. Inhalation
may cause lung damage. Do not get on skin or clothing. Wash thoroughly after
handling. Wear suitable protective clothing, gloves, and eye/face protection. Use
only with adequate ventilation.
5. Chloroform – FLAMMABLE,2 TOXIC, POISON. Suspected cancer hazard.
Exposure can cause damage to liver, kidneys, and central nervous system (CNS).
Harmful if swallowed. Causes eye irritation. Harmful to skin and respiratory
system. Toxic and corrosive gases are formed on contact with flames or

A.4 Mandelin Reagent
1. Ammonium vanadate - TOXIC. Toxic by inhalation, in contact with skin, and if
swallowed. Irritating to eyes and respiratory system. Risk of serious damage to eyes.
Possible risk of irreversible effects. Possiblem utagen. In case of accident or if you feel
unwell, seek medical advice immediately. In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice. Wear suitable protective clothing, gloves,
and eye/face protection.
2. Sulfuric acid – OXIDIZER,1 ACID,3 TOXIC, CORROSIVE. Liquid and mist
cause severe burns to all body tissue. May be fatal if swallowed. Harmful if inhaled.
Inhalation may case lung damage. Do not get liquid in eyes, on skin, or clothing. Wash
thoroughly after handling. Avoid breathing vapors. Use with adequate ventilation. Do
not add water to contents while in container because of violent reaction. Store in tightly
closed container. Wear suitable protective clothing and gloves.

A.5 Marquis Reagent
1. Sulfuric Acid - see A.4.
2. Formaldehyde - TOXIC. May cause cancer. May cause heritable genetic damage.
Toxic by inhalation, in contact with skin, and if swallowed. Causes burns. May cause
sensitization by inhalation and skin contact. Readily absorbed through skin.L achrymator.
16
Combustible. Target organs: eyes, kidneys. Wear suitable protective clothing and
gloves.

A.6 Nitric Acid
1. Nitric acid – OXIDIZER,1 ACID.3 Do not breathe vapor. Do not get in eyes or
on skin or clothing. Keep in tightly closed, light-resistant container. In case of contact,
immediately flush eyes or skin with plenty of water for at least 15 min. Causes severe
burns. Vapor extremely hazardous. May cause nitrous gas poisoning. Spillage may cause
fire or liberate dangerous gas. May be fatal if swallowed.

A.7 Para-Dimethylaminobenzaldehyde (p-DMAB)
1. p-DMAB - HARMFUL. Harmful if swallowed, irritating to eyes, respiratory
system, and skin. In case of contact with eyes, rinse immediately with plenty of water and
seek medical advice. Wear suitable protective clothing, gloves, and eye/face protection.
2. Ethanol - See A-3.
3. Hydrochloric acid - See A.3.

A.8 Ferric Chloride
1. Ferric chloride – OXIDIZER,1 CORROSIVE. Causes burns. Harmful by
inhalation, contact with skin, and if swallowed. In case of contact with eyes, rinse
immediately with plenty of water and seek medical advice. Take off all contaminated
clothing immediately. Wear suitable protective clothing, gloves, and eye/face protection.

A.9 Froede Reagent
1. Sodium molybdate - IRRITANT. Irritating to eyes, respiratory system, and skin.
In case of contact with eyes, rinse immediately with plenty of water and seek medical
advice. Wear suitable protective clothing, gloves, and eye/face protection.
2. Sulfuric acid - See A.5.

A.10 Mecke Reagent
1. Selenious acid – OXIDIZER,1 TOXIC. Highly toxic. Contact with combustible
material may cause fire. Toxic by inhalation, in contact with skin, and if swallowed.
Irritating to eyes, respiratory system, and skin. Target organs: liver, heart. Keep away
from combustible material. In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice. Take off immediately all contaminated clothing. Wear
suitable protective clothing, gloves, and eye/face protection.
2. Sulfuric acid - See A.5.

A.11 Zwikker Reagent
1. Copper (II) sulfate pentahydrate - HARMFUL, TOXIC. May impair fertility.
Possible risk of harm to unborn child. Harmful if swallowed. Risk of serious damage to
eyes. Irritating to respiratory system, and skin. May cause sensitization by skin contact.
Target organs: liver, kidneys. In case of accident or if you feel unwell, seek medical
advice immediately. In case of contact with eyes, rinse immediately with plenty of water
and seek medical advice. Wear suitable protective clothing, gloves, and eye/face
protection. Do not breathe dust.
2. Pyridine – FLAMMABLE.2 Keep away from heat, sparks, and flames. Use only
with adequate ventilation. Vapors may be explosive. Wear suitable protective clothing.
Harmful if inhaled. Liquid causes eye irritation. May be harmful if swallowed or absorbed
through the skin. Avoid breathing vapors. Avoid contact with eyes, and skin. Wash
thoroughly after handling.
3. Chloroform - See A.3.

A.12 Simon’s Reagent
1. Sodium nitroprusside - VERY TOXIC. Very toxic by inhalation, contact with
skin, and if swallowed. Target organs: blood. In case of accident or if you feel unwell,
seek medical advice immediately. In case of contact with eyes, rinse immediately with
plenty of water and seek medical advice. Wear suitable protective clothing, gloves, and
eye/face protection. Do not breathe dust.
2. Pyridine - See A.11.
3. Acetaldehyde - See A.3.
4. Sodium carbonate – BASE.4 Harmful if swallowed. May cause skin irritation.
Harmful if inhaled. Wash thoroughly after handling.
Title: Re: Reagent Compendium
Post by: MasterS on October 18, 2012, 02:50 pm
Drug detection limits
Drug Detection
Reagent Analyte Limit (μg)
A.1 Cocaine HCl 60
A.1 Methadone HCl 250
A.2 Amobarbital 25
A.2 Pentobarbital 10
A.2 Phenobarbital 15
A.2 Secobarbital 25
A.3 THC 5
A.4 d-Amphetamine HCl 20
A.4 d-Methamphetamine HCl 100
A.4 Codeine 20
A.4 Diacetylmorphine HCl 20
A.4 Morphine monohydrate 5
A.5 d-Amphetamine HCl 10
A.5 Codeine 1
A.5 Diacetylmorphine HCl 10
A.5 LSD 5
A.5 Mescaline HCl 10
A.5 Methadone HCl 20
A.5 d-Methamphet HCl 5
A.5 Morphine monohydrate 5
A.6 Mescaline HCl 1
A.7 LSD 6
A.8 Morphine monohydrate 200
A.9 Codeine 50
A.9 Diacetylmorphine HCl 200
A.9 LSD 50
A.9 Mescaline HCl 100
A.9 Morphine monohydrate 25
A.10 Codeine 25
A.10 Diacetylmorphine HCl 200
A.10 LSD 50
A.10 Mescaline HCl 50
A.10 Morphine monohydrate 50
A.11 Phenobarb 1000
A.12 d-Methamphetamine HCl 10
A.12 Methylphenidate HCl 300
Title: Re: Reagent Compendium
Post by: MasterS on October 18, 2012, 02:55 pm
Found an ideal resource for reference better than I'd be able to achieve here.
**Clearnet Warning**  https://www.dmt-nexus.me/forum/default.aspx?g=posts&t=25771

Final colors produced by reagents A.l through A.12 with various
drugs and other substances
Reagent      Chemical                                    Color

A.1             Benzphetamine HCl                   Brilliant greenish blue
A.1             Brompheniramine Maleate         Brilliant greenish blue
A.1             Chlordiazepoxide HCl                Brilliant greenish blue
A.1             Chlorpromazine HCl                  Brilliant greenish blue
A.1             Cocaine HCl                               Strong greenish blue
A.1             Diacetylmorphine HCl               Strong greenish blue
A.1             Doxepin HCl                              Brilliant greenish blue
A.1             Ephedrine HCl                           Strong greenish blue
A.1             Hydrocodone tartrate                 Brilliant greenish blue
A.1             Meperidine HCl                         Strong greenish blue
A.1             Methadone HCl*                        Brilliant greenish blue
A.1             Methylphenidate HCl                 Brilliant greenish blue
A.1             Phencyclidine HCl                     Strong greenish blue
A.1             Procaine HCl*                            Strong greenish blue
A.1             Propoxyphene HCl*                   Strong greenish blue
A.1             Pseudoephedrine HCl                 Strong greenish blue
A.1             Quinine HCl                               Strong blue
A.2             Amobarbital                                Light purple
A.2             Pentobarbital*                             Light purple
A.2             Phenobarbital*                            Light purple
A.2             Secobarbital*                              Light purple
A.3             THC*                                          Gray purplish blue
A.4             Acetaminophen                           Moderate olive
A.4             Aspirin powder                           Grayish olive green
A.4             Benzphetamine HCl*                  Brilliant yellow green
A.4             Brompheniramine Maleate          Strong orange
A.4             Chlorpromazine HCl                   Dark olive
A.4             Cocaine HCl*                              Deep orange yellow
A.4             Codeine*                                     Dark olive
A.4             Contac powder                            Strong yellow
A.4             d-Amphetamine HCl*                Moderate bluish green
A.4             d-Methamphetamine HCl*         Dark yellowish green
A.4             Diacetylmorphine HCl*              Moderate reddish brown
A.4             Dimethoxy-meth HCl                 Dark olive brown
A.4             Doxepin HCl                               Dark reddish brown
A.4             Dristan powde                             Grayish olive
A.4             Exedrine powder                         Dark olive
A.4             Mace5 crystal                              Moderate olive green
A.4             MDA HCl                                    Bluish black
A.4             Mescaline HCl*                           Dark yellowish brown
A.4             Methadone HCl                           Dark grayish blue
A.4              Methaqualone                             Very orange yellow
A.4              Methylphenidate HCl                  Brilliant orange yellow
A.4              Morphine monohydrate*             Dark grayish reddish Brown
A.4              Opium*                                        Dark brown
A.4              Oxycodone HCl                           Dark greenish yellow
A.4              Procaine HCl                               Deep orange
A.4              Propoxyphene HCl                      Dark reddish brown
A.4              Quinine HCl                                Deep greenish yellow
A.4              Salt crystals                                 Strong orange
A.5              Aspirin powder                            Deep red
A.5              Benzphetamine HCl*                   Deep reddish brown
A.5              Chlorpromazine HCl                    Deep purplish red
A.5              Codeine*                                      Very dark purple
A.5              d-Amphetamine HCl*                  Strong reddish orange
A.5              d-Methamphetamine HCl*           Deep reddish orange
A.5              Diacetylmorphine HCl*                Deep purplish red
A.5              Dimethoxy-meth HCl                   Moderate olive
A.5              Doxepin HCl                                 Blackish red
A.5              Dristan powder                              Dark grayish red
A.5              Exedrine powder                           Dark red
A.5              LSD                                               Olive black
A.5              Mace5 crystals                               Moderate yellow
A.5              MDA HCl*                                     Black Black
A.5              Meperidine HCl                              Deep brown
A.5              Mescaline HCl*                              Strong orange
A.5              Methadone HCl                               Light yellowish pink
A.5              Methylphenidate HCl                      Moderate orange yellow
A.5              Morphine monohydrate*                Very deep reddish purple
A.5              Opium* Powder                              Dark grayish reddish Brown
A.5              Oxycodone HCl*                             Pale violet
A.5              Propoxyphene HCl                          Blackish purple
A.5              Sugar crystals                                  Dark brown
A.6              Acetaminophen                               Brilliant orange yellow
A.6              Codeine*                                         Light greenish yellow
A.6              Diacetylmorphine HCl*                  Pale yellow
A.6              Dimethoxy-meth HCl                     Very yellow
A.6              Doxepin HCl                                   Brilliant yellow
A.6              Dristan powder                                Deep orange
A.6              Exedrine powder                             Brilliant orange yellow
A.6              LSD                                                 Strong brown
A.6              Mace5 crystals                                Moderate greenish yellow
A.6              MDA HCl                                        Light greenish yellow
A.6              Mescaline HCl*                               Dark red
A.6              Morphine monohydrate*                 Brilliant orange yellow
A.6              Opium* Powder                               Dark orange yellow
A.6              Oxycodone HCl                               Brilliant yellow
A.7               LSD*                                               Deep purple
A.8               Acetaminophen                               Dark greenish yellow
A.8               Baking Soda powder                       Deep orange
A.8               Chlorpromazine HCl                       Very orange
A.8               Dristan powder                                Moderate purplish blue
A.8               Exedrine powder                             Moderate purplish blue
A.8              Morphine monohydrate*                  Dark green
A.9              Aspirin powder                                 Grayish purple
A.9              Chlorpromazine HCl                        Very deep red
A.9              Codeine*                                          Very dark green
A.9              Contac powder                                 Moderate olive brown
A.9              Diacetylmorphine HCl*                   Deep purplish red
A.9              Dimethoxy-meth HCl                      Very yellow green
A.9              Doxepin HCl                                    Deep reddish brown
A.9              Dristan powder                                 Light bluish green
A.9              Exedrine powder                              Brilliant blue
A.9              LSD                                                  Moderate yellow green
A.9             Mace5 crystals                                   Light olive yellow   
A.9             MDA HCl*                                        Greenish black
A.9             Morphine monohydrate*                   Deep purplish red
A.9             Opium* Powder                                 Brownish black
A.9             Oxycodone HCl                                 Strong yellow
A.9             Propoxyphene HCl                            Dark grayish red 
A.9             Sugar crystals                                     Brilliant yellow
A.10           Chlorpromazine HCl                          Blackish red
A.10           Codeine*                                            Very dark bluish green
A.10           Contac powder                                   Moderate olive brown
A.10           Diacetylmorphine HCl*                     Deep bluish green
A.10           Dimethoxy-meth HCl                         Dark brown
A.10           Doxepin HCl                                      Very dark red
A.10           Dristan powder                                   Light olive brown
A.10           Exedrine powder                                Dark grayish yellow
A.10           Hydrocodone tartrate                         Dark bluish green
A.10           LSD                                                    Greenish black
A.10           Mace5 crystals                                    Dark grayish olive
A.10           MDA HCl*                                        Very dark bluish green
A.10           Mescaline HCl*                                  Moderate olive
A.10           Morphine monohydrate*                    Very dark bluish green
A.10           Nutmeg leaves                                    Brownish black
A.10           Opium* Powder                                  Olive black
A.10           Oxycodone HCl                                  Moderate olive
A.10           Propoxyphene HCl                              Deep reddish brown
A.10           Sugar crystals                                      Brilliant greenish yellow
A.11           Baking Soda powder                           Light blue
A.11           Exedrine powder                                 Light green
A.11           Pentobarbital*                                     Light purple
A.11           Phenobarbital*                                    Light purple
A.11           Secobarbital*                                       Light purple
A.11           Tea leaves                                            Moderate yellow green
A.11           Tobacco leaves                                    Moderate yellowish green
A.12           d-Methamphetamine HCl*                  Dark blue
A.12           Dimethoxy-meth HCl*                        Deep blue
A.12           MDMA HCl                                        Dark blue
A.12           Methylphenidate HCl                          Pale violet

* Usual kit reagent for that particular drug.
1Aqueous phase.
2Aqueous phase after chloroform extraction.
3Chloroform phase (marijuana extraction usually rapid compared to other materials).
4Not extracted into chloroform.
52-Chloroacetophenone.
Title: Re: Reagent Compendium
Post by: MasterS on October 18, 2012, 03:03 pm
Sources:

National Institute of Justice
Color Test Reagents/Kits for
Preliminary Identification
of Drugs of Abuse
NIJ Standard–0604.01
Law Enforcement and Corrections Standards and Testing Program

http://www.drugs-forum.com/forum/showthread.php?p=761973#post761973
Title: Re: Reagent Compendium
Post by: primary amine on October 19, 2012, 05:28 am
Interesting post, thanks.

Now I can check my Dristan to make sure it's real. :)
Title: Re: Reagent Compendium
Post by: MasterS on October 21, 2012, 12:38 am
If anyone has any reagent formulas to share that are missing that would be great, otherwise I"ll find them eventually. Also any new and more relevant chemicals to add to the list, let me know and I will add them and add it to the list. This becomes better with input and shared knowledge.
Title: Re: Reagent Compendium
Post by: flicky42 on October 21, 2012, 04:57 am
Really good fucking topic. +1 and I'm tagging this.
Title: Re: Reagent Compendium
Post by: anonemuss2012 on February 27, 2013, 12:51 am
Concerning the A.7 - the Ehrlich reagent test:

This was a cool idea...what molarity does the "concentrated hydrochloric acid solution" need to be? Do you know if high-proof drinking alcohol would work?
Title: Re: Reagent Compendium
Post by: MasterS on February 28, 2013, 02:39 am
My chemistry is much more limited than I'd like.

50ml of Everclear should be an adequate substitution over lab grade Ethanol. Everclear is only a few % less concentrated. The HCL just says concentrated. I'm not sure if the manual I read specified, if not, I assume the higher the better for a more clear reaction. Less pure means more diluted the color will appear.

Title: Re: Reagent Compendium
Post by: anonemuss2012 on February 28, 2013, 04:50 pm
Yeah, if only we were all master organic chemists ::)

If my Everclear comes from a state that only allows ~150 proof rather than the higher proof stuff in other states, do you still think this work? I'm more just interested than anything - p-DMAB doesn't sound like something I want to try acquiring/handling lol.

As for the HCL, I know that Walmart sells some sort of concentrated HCL solution in heavy duty packaging for unclogging drains, though I admittedly haven't looked at how strong the label says it is (I would HOPE it lets you know how strong it is).

Again, my interest is purely intellectual. I won't be attempting to grab myself any p-DMAB anytime soon.
Title: Re: Reagent Compendium
Post by: quinone on February 28, 2013, 04:57 pm
Very good list

+1 for the time you must have taken to write this out for the community