*Class Kit Shown (10-530)Refill: ToxicologySKU: 10-530RContact Us to PurchaseKit Contents Toxicology Elution Columns (7) Acetone Methanol Simuated Urine Eluent Ethyl Acetate Ammonium Hydroxide Potassium Iodide Acidified Methanol Chloroplatinic Acid Ninhydrin S-Diphenylcarbazone Fluorescent Silica Gel TLC Plates Non-Fluorescent Silica Gel TLC Plates Refill Drug Set