4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml Back Catalog number: S-FC92S-1.2ML Availability: In the manufacturer's stock Price on request - + Recommended S-4057-K-10T Sulfur Calibration Stock Solution Thiophene 1000 µg/mL in Toluene; unit: 5x1mL ampoules Please request for diluted samples in the range 1 to 1000 ng/mL. Price on request ACQ-AQ01-115 Ethanol standard in water,0.1g/L,water, 1.5mL Price on request 15900-2935-100AN5 Isoproturon-desmethyl, 100µg/ml in ACN, 5ml Price on request