Copper(II) sulfate (1 g/L) TS, Validity: 12 months

Copper(II) sulfate (160 g/L) TS, Validity: 12 months

Copper(II) sulfate (80 g/L) TS, Validity: 12 months

Copper(II) sulfate/ammonia TS, Validity: 12 months

Cresol red/ethanol TS, Validity: 12 months

Crystal violet/acetic acid TS, Validity: 12 months

Diammonium hydrogen phosphate (100 g/L) TS, Validity: 12 months

Dichlorofluorescein TS, Validity: 12 months

2,6-Dichloroquinone chlorimide/ethanol TS, Validity: 12 months

Dichromate colour TS, Validity: 12 months