Are you wondering why Hofmann reagent is not reacting? Hofmann test kit react slower than Ehrlich and can take up to 5-10 minutes to show an easily distinguishable blue color change.
Are you wondering how much LSD for a test you should use? We recommend using the smallest size possible, an only using more in case of doubt.
Are you wondering is LSD blotter evenly dosed? Usually yes, because on industrial scale blotter paper is soaked in big batches. However, as can be seen on picture below, there are exceptions if someone lays a blotter sheet by hand using a pipette.
How to use a reagent test kit: if you intend to use a synthetic psychoactive substance, first you need a test kit to check it for adulterants. Chemicals can’t be identified by appearence. To test use reagent tests like Marquis, Mecke and Froehde in single-use or multiple-use test kits. Using a set with different reagents helps detect adulterants – 90% will react with 1 out of 3 reagents, and 95% with 1 out of 5.
![How to test drugs using reagent tests? [BASICS]](https://shop.sin.org.pl/wp-content/plugins/wp-youtube-lyte/lyteCache.php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2FTgsJ0Ek7JGI%2F0.jpg)
Reagents presumptively indicate PRESENCE, but not PURITY or QUANTITY. A positive or negative test result does not mean that the substance is safe. No substance is 100% safe.
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