Properties
grade for molecular biology
product line BioReagent
concentration ~20% in H2O
total impurities DNases, none detected
  RNases, none detected
  insoluble matter, passes filter test
  phosphatases, none detected
  proteases, none detected
refractive index n20/D 1.361
pH 4.0-6.5 （25 °C）
anion traces chloride （Cl-）: ≤25 mg/kg
  sulfate （SO42-）: ≤50 mg/kg
cation traces Al: ≤1 mg/kg
  As: ≤0.05 mg/kg
  Ba: ≤1 mg/kg
  Bi: ≤1 mg/kg
  Ca: ≤20 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤1 mg/kg
  Cr: ≤1 mg/kg
  Cu: ≤1 mg/kg
  Fe: ≤1 mg/kg
  K: ≤20 mg/kg
  Li: ≤1 mg/kg
  Mg: ≤10 mg/kg
  Mn: ≤1 mg/kg
  Mo: ≤1 mg/kg
  Na: ≤20 mg/kg
  Ni: ≤1 mg/kg
  Pb: ≤1 mg/kg
  Sr: ≤1 mg/kg
  Zn: ≤1 mg/kg
λ neat
UV absorption λ: 260 nm Amax: 0.08
  λ: 280 nm Amax: 0.07

Safety
Personal Protective Equipment Eyeshields, Gloves
WGK Germany 2

References
Merck Merck 13,5736
Beilstein Beil. 17,V,7,189

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