L-Ascorbic acid, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., 99.7-100.5% (oxidimetric)

Anion Traces: chloride (Cl^-): ≤50 mg/kg

Assay: 99.7-100.5% (oxidimetric)

Cation Traces: Fe: ≤2 mg/kg

Gene Information: human ... SLC23A2

Grade: puriss. p.a.

Ign. Residue: ≤0.05% (as SO₄)

Impurities: ≤0.001% heavy metals (as Pb)

Loss: ≤0.1% loss on drying, 105 °C

MP: 190-194°C (dec.)

Optical Activity: [α]20/D +20.5 to +21.5°, c = 10% in H₂O

pH: 2.1-2.6 (20°C, 5%)

Suitability: complies for appearance of solution