Atrazine-desisopropyl-2-hydroxy, 100 µg/ml, Metha

Silicon (Si)

Daily Quality Control Standard (with 3 Deuterated Compounds Internal Standard) 14 Analytes + 3 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane

1H-Benzotriazole, 100 µg/ml, Acetonitrile, 1ml