CLP Performance Evaluation Solution Back Catalog number: 19160 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673539 Demeton-S-methyl, 10.0 µg/ml, Ethyl acetate, 10m Price on request 57019 Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Price on request 92225 Semi-Volatile Standard Price on request