Benzoquinone (as C) for TOC

2,3,3',4,4',6-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

Chlorimuron-ethyl, 100mg

Sterigmatocystine, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 10048-13-2