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Merck
CN

技术规格说明书

产品名称
氯化钾 BioUltra, Molecular Biology, ≥99.5% (AT)

产品编号
60128

产品品牌
sigma

化学文摘社编号
7447-40-7

分子量
74.55

Test皿

规格

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Powder or Crystals
ARGENTOMETR. TITRATION99.5 - 100.5 %
LOSS ON DRYING≤ 0.2 %
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
ALUMINIUM (ICP)≤ 5 mg/kg
BARIUM (ICP)≤ 10 mg/kg
BISMUTH (ICP)≤ 5 mg/kg
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)≤ 2 mg/kg
LITHIUM (ICP)≤ 5 mg/kg
MAGNESIUM (ICP)≤ 10 mg/kg
MANGANESE (ICP)≤ 5 mg/kg
MOLYBDENUM (ICP)≤ 5 mg/kg
SODIUM (ICP)≤ 200 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)≤ 30 mg/kg
BROMIDE (BR)≤ 700 mg/kg
IODIDE (I)≤ 20 mg/kg
TOTAL NITROGEN≤ 10 mg/kg
PHOSPHATE (PO4)≤ 5 mg/kg
EXTRANEOUS ACTIVITIESDNAses, RNAses, Proteases, Phosphatases Not Detectable
SOLUBILITY (METHOD)1M in H2O
APPEARANCE (SOLUTION)CLEAR COLORLESS
PH (SOLUTION)5.0 - 8.0
RESIDUE (FILTER TEST)NO RESIDUE
UV - ABS. AT 260 NM≤ 0.01
UV - ABS. AT 280 NM≤ 0.01
RECOMMENDED RETEST PERIOD72 MONTHS