Skip to Content
Merck
CN

Specification Sheet

Product Name
Magnesium oxide BioUltra, ≥97.0% (calcined substance, KT)

Product Number
63089

Product Brand
sial

CAS Number
1309-48-4

Molecular Weight
40.30

Test

Specification

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Powder
TITRATION (KT) EDTA 0.1M97.0 - 103.0 % (CALCINED SUBSTANCE)
LOSS ON IGNITION≤ 3.0 %
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
ALUMINIUM (ICP)≤ 20 mg/kg
BARIUM (ICP)≤ 10 mg/kg
BISMUTH (ICP)≤ 10 mg/kg
CALCIUM (ICP)≤ 500 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)≤ 50 mg/kg
MANGANESE (ICP)≤ 5 mg/kg
MOLYBDENUM (ICP)≤ 5 mg/kg
SODIUM (ICP)≤ 2000 mg/kg
NICKEL (ICP)≤ 5 mg/kg
LEAD (ICP)≤ 5 mg/kg
STRONTIUM (ICP)≤ 20 mg/kg
ZINC (ICP)≤ 5 mg/kg
ARSENIC TRACES (MHS-AAS)≤ 0.1 mg/kg
TOTAL SULFUR AS SO4 (ICP)≤ 10 mg/kg
CHLORIDE (CL)≤ 100 mg/kg
TOTAL NITROGEN≤ 20 mg/kg
SOLUBILITY (METHOD)0.1 M in 5 M HCl
APPEARANCE (SOLUTION)CLEAR COLORLESS
RESIDUE (FILTER TEST)NO RESIDUE
UV - ABS. AT 260 NM≤ 0.040
UV - ABS. AT 280 NM≤ 0.025
RECOMMENDED RETEST PERIOD28 MONTHS