L-抗坏血酸 99.0-100.5%, AnalaR NORMAPUR® analytical reagent

供应商: VWR Chemicals

Synonyms: 维生素 C, 抗坏血病因子, L-维生素 C

VWRC20150.184EA 301 CNY
VWRC20150.184 VWRC20150.231 VWRC20150.290
L-抗坏血酸 99.0-100.5%, AnalaR NORMAPUR® analytical reagent
L-抗坏血酸
分子式: C₆H₈O₆
分子量: 176.13 g/mol
沸点: 553
溶点: 190…192 °C
密度: 1.694 g/cm³ (20 °C)
存储条件: Ambient
MDL编号: MFCD00064328
CAS号: 50-81-7
EINECS: 200-066-2
Merck Index: 13,00837
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产品技术规格

Assay 99.0 - 100.5 %
Colour of solution (50 g/l; water) BY7
Melting point 182 - 192 °C
Specific optical rotation (10 %; water) 20.5 - 21.5 °
Spec. optical rotation (25°C;10 %;water) 20.5 - 21.5 °
Heavy metals (as Pb) Max. 10 ppm
Ignition residue (SO4) Max. 0.05 %
Loss on drying (105°C) Max. 0.1 %
Cl (Chloride) Max. 20 ppm
SO4 (Sulphate) Max. 20 ppm
Ca (Calcium) Max. 50 ppm
Cu (Copper) Max. 10 ppm
Fe (Iron) Max. 2 ppm
Pb (Lead) Max. 10 ppm


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