CLP Pesticide Lab Control Standard Back Catalog number: 21061 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3353.8-K-ME 2,4-D,1000 µg/mL,MeOH,1mL, Price on request N-10401-1G 2-Methyl-1-butanol, 1g Price on request D-N-ETFOSA-M N-ethyl-d5-perfluoro-1-octanesulfonamide, 50µg/ml in MeOH, 1,2ml Price on request