Specification Sheet

Product Name
Calcium carbonate BioUltra, precipitated, ≥99.0% (KT)

Product Number
21061

Product Brand
SIGMA

CAS Number
471-34-1

Molecular Weight
100.09

Test

Specification

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Powder
TITRATION (KT) EDTA 0.1M99.0 - 101.0 %
LOSS ON DRYING≤ 0.5 %
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
BARIUM (ICP)≤ 50 mg/kg
BISMUTH (ICP)≤ 5 mg/kg
CADMIUM (ICP)≤ 5 mg/kg
COBALT (ICP)≤ 5 mg/kg
CHROMIUM (ICP)≤ 5 mg/kg
COPPER (ICP)≤ 5 mg/kg
IRON (ICP)≤ 50 mg/kg
POTASSIUM (ICP)≤ 50 mg/kg
LITHIUM (ICP)≤ 5 mg/kg
MAGNESIUM (ICP)≤ 1000 mg/kg
MANGANESE (ICP)≤ 100 mg/kg
MOLYBDENUM (ICP)≤ 5 mg/kg
SODIUM (ICP)≤ 100 mg/kg
NICKEL (ICP)≤ 5 mg/kg
LEAD (ICP)≤ 5 mg/kg
STRONTIUM (ICP)≤ 500 mg/kg
ZINC (ICP)≤ 10 mg/kg
ARSENIC TRACES (MHS-AAS)≤ 0.1 mg/kg
TOTAL SULFUR AS SO4 (ICP)≤ 200 mg/kg
CHLORIDE (CL)≤ 100 mg/kg
SOLUBILITY (METHOD)0.1 M in 5M HCl
APPEARANCE (SOLUTION)CLEAR COLORLESS
RESIDUE (FILTER TEST)NO RESIDUE
UV - ABS. AT 260 NM≤ 0.09
UV - ABS. AT 280 NM≤ 0.06
RECOMMENDED RETEST PERIOD72 MONTHS

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