Reagent testing is never 100% definitive. There are many other factors determining reactions such as multiple substance mixtures. Having said that, our Marquis reagent is the first step toward determining the contents of what your identifying.
We do not accept responsibility for the use or improper use of information posted on the site. Please be safe and use at your own risk. You are dealing with corrosive chemicals! Treat them with respect. There are warning labels on everything for a reason 😀
If reagent comes into contact with skin or eyes, wash promptly with soap and water. Latex gloves are highly recommended when handling kits. If irritation persists, seek medical attention immediately.