Specification Sheet

Product Name
BIS-TRIS BioUltra, ≥99.0% (NT)

Product Number
14879

Product Brand
SIGMA

CAS Number
6976-37-0

Molecular Weight
209.24

Test

Specification

APPEARANCE (COLOR)White
APPEARANCE (FORM)Powder to Crystals
TITRATION (NT) HCLO4 0.1M99.0 - 100.5 %
LOSS ON DRYING≤ 0.5 %
RESIDUE ON IGNITION≤ 0.3 %
INFRARED SPECTRUMCONFORMS TO STRUCTURE
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
ALUMINIUM (ICP)≤ 5 mg/kg
BARIUM (ICP)≤ 5 mg/kg
BISMUTH (ICP)≤ 5 mg/kg
CALCIUM (ICP)≤ 10 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
LITHIUM (ICP)≤ 5 mg/kg
MAGNESIUM (ICP)≤ 5 mg/kg
MANGANESE (ICP)≤ 5 mg/kg
MOLYBDENUM (ICP)≤ 5 mg/kg
SODIUM (ICP)≤ 50 mg/kg
NICKEL (ICP)≤ 5 mg/kg
LEAD (ICP)≤ 5 mg/kg
STRONTIUM (ICP)≤ 5 mg/kg
ZINC (ICP)≤ 5 mg/kg
ARSENIC TRACES (MHS-AAS)≤ 0.1 mg/kg
TOTAL SULFUR AS SO4 (ICP)≤ 50 mg/kg
CHLORIDE (CL)≤ 50 mg/kg
SULFATE (SO4)≤ 50 mg/kg
SOLUBILITY (METHOD)6.277 G IN 30 ML H2O (1 M)
APPEARANCE (SOLUTION)CLEAR COLORLESS
PH (SOLUTION)9.5 - 11.0
RESIDUE (FILTER TEST)NO RESIDUE
UV - ABS. AT 280 NM≤ 0.150
CUT-OFF≤ 270.0 nm
RECOMMENDED RETEST PERIOD72 MONTHS