QC Standard 4

Amidotrizoic acid, 100µg/ml in Acetonitrile, 5ml

1-n-Dodecyl-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-12, Cas.no. 615280-16-5

2,3,5,6-Tetrachlorophenol, 100 µg/ml, Methanol,