Arsenic (As)

NWTPH-Gx Surrogate Mix

Phorate-d10 (O,O-diethyl-d10), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 298-02-2

O,O-Diethyl dithiophosphate-13C4, ammonium salt,100 µg acid/mL,MeOH,1mL,