IC Anions Cal Std - COA Level 3

Fenthion, 100 µg/ml, Ethyl acetate, 5ml

Nicotinic acid, Stock solution system check EN12260, 1000µg/mL, Solvent-water, Unit 75mL, # of units-1, Cas.no. 59-67-6

2,2',3,6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,