Description
Instructions for Using Marquis Reagent
Marquis reagent is the first step in our MDMA test kit. To use Marquis reagent, put a tiny bit of your substance on a white ceramic plate. Place one drop of reagent on the sample. (Some reagents require a drop from two separate bottles, but Marquis reagent consists of only one bottle.) Compare the color change to the color bars in the chart below. Most color changes happen fast. Colors and times are approximate. Multiple factors can cause slight variations. Remember, reagents cannot detect purity, only presence. Store them in a refrigerator. Wash the plate thoroughly when done.








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