Cobalt(II) chloride (30 g/L) TS, Validity: 12 months

Cobalt(II) chloride (5 g/L) TS, Validity: 12 months

Copper edetate TS, Validity: 12 months

Copper standard TS2, Validity: 6 months

Copper(II) acetate (45 g/L) TS, Validity: 12 months

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

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