Method 200.8/1638/1640 Internal Standard

2-Nitronaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 581-89-5

Linalool, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-70-6

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