Triketohydrindene/sodium metabisulfite TS, Validity: 12 months

Trimethylpyridine (50 g/L) TS, Validity: 12 months

Trisodium orthophosphate (2 g/L) TS, Validity: 12 months

Vanadium/sulfuric acid TS, Validity: 12 months

Water R, Validity: 12 months

Water, ammonia-free, R, Validity: 12 months

Water, carbon-dioxide-free and ammonia-free, R, Validity: 12 months

Water, carbon-dioxide-free, R, Validity: 12 months

Xylenol orange indicator mixture R, Validity: 12 months

Yellow stock standard TS, Validity: 12 months