| abstract |
Apparatus for detecting the presence of foreign substances in a beverage. The apparatus for detecting the presence of Gamma-hydroxybutyrate or other drugs in a veverage comprises apparatus wherein cobalt nitrate, oxammonium chloride/ferric chloride, oxammonium sulphate/ferric chloride, 5% ferric chloride, saturated potassium dichromate, toluene/cobalt thiocyanate, chromium (IV) oxide/sulphuric acid carbodiimide salts in combination with oxammonium salts and ferric chloride, or lacmoid is supported on a substrate. The apparatus for detecting the presence of ketamines or other drugs in a beverage comprises apparatus wherein modified-Dragendorff Reagent is supported on a substrate. |