Overview Reviews Product Description Mandelin Reagent - For the presumptive identification of Amphetamines and Methadone, as well as screening for PMA and Ketamine in conjunction with Test I. Product Videos Custom Field Product Reviews Write a Review Write a Review × Nik Nik Test - NIK-800-6088 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *