Tuning Solution- Method 200.7 section 7.7

1,2,3,4-Tetramethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 488-23-3

Powder reagents for total chlorine (25 tests). Contains: 25 sachets

Tetraoctadecylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 63462-99-7