beta-Cypermethrin, 10.0 µg/ml, Ethyl acetate, 10

ISO 15680 Stock Calibration Standard Solution 1 14 Analytes to be used with Internal standard S1, each 2000µg/mL in methanol; unit: 1x5mL 3944.1 Dichlorodifluoromethane [75-71-8] 3945.1 Monochloromethane [74-87-3] 3946.1Monobromomethane [74-83-9] 3

3,3'-Dimethylbenzidine

Tris(2-butyloxyethyl)phosphate-d27,100 µg/mL,isooctane,1mL,