Specification Sheet
Product Name (+)-Sodium L-ascorbate,
BioXtra, ≥99.0% (NT)
Product Number 11140
Product Brand SIGMA
CAS Number 134-03-2
Molecular Weight 198.11
 
TEST SPECIFICATION
APPEARANCE (COLOR) White
APPEARANCE (FORM) Powder or Crystals
TITRATION (NT) HCLO4 0.1M ≥ 99.0 %
PURITY (TLC AREA %) ≥ 99.0 %
SPECIFIC ROTATION (20/D) 105.0 ± 2.0 Degrees
CONCENTRATION C=5 IN WATER
LOSS ON DRYING ≤ 0.2 %
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
NICKEL (ICP) ≤ 5 mg/kg
LEAD (ICP) ≤ 5 mg/kg
ZINC (ICP) ≤ 5 mg/kg
TOTAL SULFUR AS SO4 (ICP) ≤ 50 mg/kg
CHLORIDE (CL) ≤ 50 mg/kg