Powder reagents for total chlorine (100 tests)

4,5-Dimethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15679-25-1

iso-Butyl n-pentyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Heptachlor, 1000µg/ml in Hexane, 1ml