Specification Sheet

Product Name
Potassium chloride solution BioUltra, for molecular biology, ~1 M in H2O

Product Number
60142

Product Brand
SIGMA

CAS Number
7447-40-7

Molecular Weight
74.55

Test

Specification

APPEARANCE (COLOR)Colorless
APPEARANCE (FORM)Liquid
TITRATION (MOLARITY)0.95 - 1.10 mol/l
DENSITY D20/41.035 - 1.047
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
ALUMINIUM (ICP)≤ 1 mg/kg
BARIUM (ICP)≤ 1 mg/kg
BISMUTH (ICP)≤ 1 mg/kg
CALCIUM (ICP)≤ 5 mg/kg
CADMIUM (ICP)≤ 1 mg/kg
COBALT (ICP)≤ 1 mg/kg
CHROMIUM (ICP)≤ 1 mg/kg
COPPER (ICP)≤ 1 mg/kg
IRON (ICP)≤ 1 mg/kg
LITHIUM (ICP)≤ 1 mg/kg
MAGNESIUM (ICP)≤ 1 mg/kg
MANGANESE (ICP)≤ 1 mg/kg
MOLYBDENUM (ICP)≤ 1 mg/kg
SODIUM (ICP)≤ 20 mg/kg
NICKEL (ICP)≤ 1 mg/kg
LEAD (ICP)≤ 1 mg/kg
STRONTIUM (ICP)≤ 1 mg/kg
ZINC (ICP)≤ 1 mg/kg
TOTAL SULFUR AS SO4 (ICP)≤ 10 mg/kg
TOTAL NITROGEN≤ 10 mg/kg
EXTRANEOUS ACTIVITIESDNAses, RNAses, Proteases, Phosphatases Not Detectable
SOLUBILITY (METHOD)NEAT
APPEARANCE (SOLUTION)CLEAR COLORLESS
PH (SOLUTION)5.0 - 8.0
RESIDUE (FILTER TEST)NO RESIDUE
UV - ABS. AT 260 NM≤ 0.02
UV - ABS. AT 280 NM≤ 0.01
RECOMMENDED RETEST PERIOD30 MONTHS