Sigma A5960 抗坏血酸(维生素 C)Aseorbie acid(Vitamin C)
产品说明:
Synonym : L-Threoascorbic acid
Antiscorbutic factor
Vitamin C
Molecular Formula: C 6 H 8 O 6
Molecular Weight: 176.12
CAS Number 50-81-7
Descriptions:
Caution ……………………………………………………… May darken in storage.
Packaging ……………………………………………………10 mg in autosmp vl
Properties
assay …………………………………………………………≥ 99.0%
form ……………………………………………………………crystalline
total impurities ………………………………………………≤ 0.0005% Phosphorus (P)
≤ 0.1% Insoluble matter
ign. residue …………………………………………………… ≤ 0.1%
color……………………………………………………………… white to off-white
mp …………………………………………………………………190-194 °C (dec.)
solubility………………………………………………………… H 2 O: 0.5 M at 20 °C, clear, colorless
anion traces sulfate (SO 4 2- ): ………………………………≤ 0.05%
cation traces
Al: ………………………………………………………………≤ 0.0005%
Ca: ……………………………………………………………… ≤ 0.0005%
Cu: …………………………………………………………………≤ 0.0005%
Fe: …………………………………………………………………≤ 0.0005%
K: ……………………………………………………………………≤ 0.005%
Mg: …………………………………………………………………≤ 0.0005%
NH 4 + :………………………………………………………………≤ 0.05%
Na: ……………………………………………………………………≤ 0.005%
Pb: ……………………………………………………………………≤ 0.001%
Zn: ……………………………………………………………………≤ 0.0005%
D-Biotin(Vitamin H) D-生物素(维生素H) | Vitamin D3 维生素 D3 | 维生素B12 Vitamin B12 | 生育酚(维生素E) (+)-α-Tocopherol(VitaminE) | 维生素B6(盐酸吡哆醇) VitaminB6(Pyridoxine Hcl) | 维生素B1(Thiamine Hcl) VitaminB1(盐酸硫胺素) |
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