技术规格说明书

产品名称
L-抗坏血酸棕榈酸酯 BioXtra, ≥99.0% (RT)

货号
76183

产品品牌
SIGMA

CAS号
137-66-6

分子量
414.53

测试

规格

APPEARANCE (COLOR)White to Faint Yellow
APPEARANCE (FORM)Powder
REDOX TITRATION99.0 - 101.0 %
REDOXTITRATION (METHOD)IODOMETRIC
SPECIFIC ROTATION (20/D)23.0 ± 1.0 Degrees
CONCENTRATIONC=1 IN ETHANOL
MELTING POINT113 - 116 C
SOLUBILITY (COLOR)Colorless to Faint Brown-Yellow
SOLUBILITY (TURBIDITY)Clear
SOLUBILITY (METHOD)1G IN 10ML METHANOL
LOSS ON DRYING≤ 0.2 %
SULFATED ASH≤ 0.2 %
INFRARED SPECTRUMCONFORMS TO STRUCTURE
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
CALCIUM (ICP)≤ 50 mg/kg
CADMIUM (ICP)≤ 5 mg/kg
COBALT (ICP)≤ 5 mg/kg
CHROMIUM (ICP)≤ 5 mg/kg
COPPER (ICP)≤ 5 mg/kg
IRON (ICP)≤ 5 mg/kg
POTASSIUM (ICP)≤ 50 mg/kg
MAGNESIUM (ICP)≤ 5 mg/kg
MANGANESE (ICP)≤ 5 mg/kg
SODIUM (ICP)≤ 100 mg/kg
NICKEL (ICP)≤ 5 mg/kg
LEAD (ICP)≤ 5 mg/kg
ZINC (ICP)≤ 5 mg/kg