CLP Pesticide Lab Control Standard Back Catalog number: 20061 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682841 Putrescine dihydrochloride, 1000mg Price on request PFRS-021S Tripropyl phosphate, 100µg/ml in Toluene, 1ml Price on request 71538 SAE 40Motor Oil Price on request