Hofmann – PRO Test

Color change reactions of Hofmann reagent with LSD

Jerzy Afanasjew — Fri, 06 Jun 2025 12:16:30 +0000

What is Hofmann reagent? Hofmann reagent test (often misspelled as "Hoffman" or "Hoffmann") is named after the inventor of LSD-25, the Swiss chemist Albert Hofmann. It is primarily used for the identification of psychedelic indoles such as lysergamides and tryptamines. Together with Ehrlich’s reagent, it forms the foundation of testing for LSD, DMT, and their derivatives. […]

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How to use crystalline reagents?

Jerzy Afanasjew — Tue, 14 Nov 2023 19:22:32 +0000

As a result of change in regulations we have replaced some liquid reagents with crystalline ones. "Crystals" may not be intuitive for everyone at first, so we are publishing the following guide and instructional video. Following the instructions is essential to fully benefit from dry colorimetric reagent tests. How to use crystalline reagents: Shake the […]

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How to test LSD gel tabs?

Jerzy Afanasjew — Thu, 17 Aug 2023 08:24:02 +0000

LSD gel tabs (also known as windowpane) are more tricky to test than other forms of LSD such as blotters, pills or crystals, because they contain more filler (carrier) substance, and because that substance itself can cause inclonclusive results. With gel tabs the typical LSD tests (Ehrlich reagent and Hofmann) are known to cause false negatives or […]

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How to test LSD potency?

Jerzy Afanasjew — Mon, 14 Aug 2023 11:15:29 +0000

We checked whether the Hofmann test, generally used to confirm the presence of "acid," could be used as a reagent to test the amount of LSD. It turns out that yes, so when you buy a PRO test for identifying LSD you get a free test for quantity.

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1V-LSD reagent testing results

Jerzy Afanasjew — Fri, 16 Jul 2021 20:19:48 +0000

In regard to the recent 1V-LSD release we are informing about the expected color change reactions for reagents Ehrlich, Hofmann and Marquis. Ehrlich and Hofmann's reactions are similar like with LSD, but much slower and might only affect the sample, not the whole used reagent liquid. 1V-LSD reaction results: Ehrlich: Very slow purple (60 minutes) Hofmann: Very […]

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How to test psilocybin (magic mushrooms)?

Jerzy Afanasjew — Sat, 09 Jan 2021 22:16:05 +0000

Analysing mushrooms is confusing. Fungi contain hundreds of chemicals, some of which cause false positive results for psilocybin, the main active psychedelic ingredient.

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Hofmann Reagent Test Instructions

Jerzy Afanasjew — Tue, 27 Oct 2020 18:51:46 +0000

Hofmann Reagent Test Instructions The Hofmann (p-DMAB-TS) reagent test, also known as the modified Ehrlich test, is a chemical assay used to detect and identify the presence of various substances, including tryptamines, lysergamides and other indole-based psychoactive compounds. This test involves the reaction of the substance with p-dimethylaminobenzaldehyde (p-DMAB) and ferric chloride. The resulting color […]

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How to test DMT?

Jerzy Afanasjew — Wed, 21 Oct 2020 08:49:00 +0000

GUIDEHow to test DMT? How to test DMT: if you intend to use a psychoactive substance first you need a test kit to check purity. Pure DMT can’t be identified by appearance. Check your sample with a single or multi-use DMT test kit. DMT tester Single use DMT tester available with free shipping. This test gives the least […]

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How to test LSD?

Jerzy Afanasjew — Mon, 28 Sep 2020 18:58:28 +0000

How to test LSD: if you intend to use LSD ("acid"), first you need an LSD test kit to check it for adulterants. Pure LSD can be laid on any kind of blotter paper (or other surface) and can't be identified by appearence. To test LSD use reagent tests Ehrlich, Hofmann, Marquis and Mecke in single-use or multiple-use test kits. To detect fentanyl or test for fentanyl analogs it's recommended to use fentanyl test strips.

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How to detect NBOMes?

Jerzy Afanasjew — Sun, 27 Sep 2020 18:01:01 +0000

How to detect NBOMes: if you intend to use LSD ("acid"), first you need to check it using a test kit to rule out presence of dangerous adulterants such as NBOMes. Pure LSD can be laid on any kind of blotter paper (or other surface) and can't be identified by appearance. To test for NBOMes use reagent tests Ehrlich, Hofmann, Marquis and Mecke in single-use or multiple-use test kits. To detect fentanyl or test for fentanyl analogs it’s recommended to use fentanyl test strips.

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