Specification Sheet
Product Name Tris-EDTA buffer solution,
BioUltra, for molecular biology, pH 7.4
Product Number 93302
Product Brand SIAL
 
TEST SPECIFICATION
APPEARANCE (COLOR) Colorless
APPEARANCE (FORM) Liquid
REFRACTIVE INDEX N20/D 1.332 - 1.334
METAL TRACE ANALYSIS (ICP) CORRESPONDS TO REQUIREMENTS
ALUMINIUM (ICP) ≤ 1.0 mg/kg
BARIUM (ICP) ≤ 1.0 mg/kg
BISMUTH (ICP) ≤ 1.0 mg/kg
CALCIUM (ICP) ≤ 5.0 mg/kg
CADMIUM (ICP) ≤ 1.0 mg/kg
COBALT (ICP) ≤ 1.0 mg/kg
CHROMIUM (ICP) ≤ 1.0 mg/kg
COPPER (ICP) ≤ 1.0 mg/kg
IRON (ICP) ≤ 1.0 mg/kg
POTASSIUM (ICP) ≤ 20 mg/kg
LITHIUM (ICP) ≤ 1.0 mg/kg
MAGNESIUM (ICP) ≤ 1.0 mg/kg
MANGANESE (ICP) ≤ 1.0 mg/kg
MOLYBDENUM (ICP) ≤ 1.0 mg/kg
NICKEL (ICP) ≤ 1.0 mg/kg
LEAD (ICP) ≤ 1.0 mg/kg
STRONTIUM (ICP) ≤ 1.0 mg/kg
ZINC (ICP) ≤ 1.0 mg/kg
EXTRANEOUS ACTIVITIES DNAses, RNAses, Proteases, Phosphatases Not Detectable
SOLUBILITY (METHOD) NEAT, 25C
APPEARANCE (SOLUTION) CLEAR COLORLESS
PH (SOLUTION) 7.2 - 7.6
RESIDUE (FILTER TEST) NO RESIDUE
UV - ABS. AT 260 NM ≤ 0.03
UV - ABS. AT 280 NM ≤ 0.01
RECOMMENDED RETEST PERIOD 54 MONTHS