Calcon indicator mixture R, Validity: 24 months

Ceric ammonium nitrate (0.01 mol/l) VS, Validity: 12 months

Ceric ammonium sulfate (0.1 mol/l) VS, Validity: 12 months

Ceric ammonium sulfate/nitric acid TS, Validity: 12 months

Ceric sulfate (0.1 mol/l) VS, Validity: 24 months

Ceric sulfate (35 g/L) TS, Validity: 24 months

Chloride standard (5 g/L) TS, Validity: 3 months

Citrate buffer, pH 4.0, TS, Validity: 12 months

Citrate buffer, pH 5.4, TS, Validity: 12 months

Citric acid (180 g/L) FeTS, Validity: 12 months