ICP HM Check Std B

CONOSTAN Standard S-21, 500 ppm, 100g

17ß(H),21 alpha(H)-25,28,30-Trisnorhopane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 75503-03-6

Thiophanate-methyl, 100ug/ml in Acetonitrile, 5ml