Sodium perfluoro-[13C8]octanesulfonate, 1.2ml x 50ug/ml, methanol

2,2',3,4,4',5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,3,3',4,5-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,

Reagent kit for 100 tests (pH and free & total chlorine) Contains: 1 x 20 mL DPD1, 1 x 20 mL DPD2, 1 x 20mL DPD3, 1 x 20mL pH3