1,2,4,6,7-Pentachloronaphthalene,,,,

Reagent kit for 100 tests (Ammonia LR) Contains: 1 x 20mL NH3-1, 1 x 21mL NH3-2

EPA 8041A Surrogate Standard S-4382 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol

Benzo[b]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 93951-98-5