1,2,4-Trichlorobenzene, 10 µg/ml, Cyclohexane, 1

Sodium Sulfate (SO42-)

Metribuzin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 21087-64-9

2-Nitrophenol-3,4,5,6-d4, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-78-1