1332 ppm TDS solution (box of 25x20mL sachet)

4-Chloro-2-nitrobenzoic Acid, >98%, 25g

Pyridoxal 5-Phosphate Monohydrate, >98%, 1g

2,2',3,3',4,5,6,6'-Octachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane