This reagent can only be manufactured using concentrated sulphuric (sulfuric) acid (>85% concentration but ideally 95-98%).
Concentrated sulphuric (sulfuric) acid over 15% has been made illegal to have in ones possession unless your are a Business (with a requirement for that restricted chemical) or you have a valid EPP licence purchased from the Home Office (takes ~ 28 days) and costs over £30.
As such we can ONLY sell this reagent to individuals/businesses that meet the above requirements.
Possession of such a restricted chemical in any amount (even less than 0.1mL) is an offense with a prison sentence, up to 2 years, and or a fine.
If you wish to purchase this reagent then please contact us directly to discuss.
The Mandelin reagent is used as a simple spot-test to presumptively identify alkaloids as well as other compounds. It is composed of a mixture of ammonium metavanadate and concentrated sulfuric acid. Its primary use is for the detection of ketamine and PMA It is unusual among reagent tests that it has a very strong yellow colour prior to being used for testing, which forms within about 48 hours of mixing.
The United States Department of Justice method for producing the reagent is the addition of 100 mL of concentrated (95–98%) sulfuric acid to 0.5-1 g of Ammonium metavanadate.
This reagent was invented by the German pharmacologist, Karl Friedrich Mandelin (1854–1906) at the University of Dorpat.