Sulfuric acid (0.5 mol/l) VS, Validity: 24 months

Sulfuric acid/ethanol (~0.05 mol/l), Validity: 12 months

Sulfuric acid/ethanol TS, Validity: 12 months

Sulfuric acid/methanol TS, Validity: 12 months

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

Tartaric acid (10 g/L) TS, Validity: 12 months

Tartaric acid (200 g/L) TS, Validity: 12 months

Tartaric acid (5 g/L) TS, Validity: 12 months

Tetrabutylammonium hydroxide (0.1 mol/l) VS, Validity: 12 months

Tetrabutylammonium hydroxide TS, Validity: 12 months