grade
for molecular biology
product line
BioUltra
concentration
2 M in H2O
total impurities
DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.0002% total nitrogen (N)
pH
3.0-5.0 (25 °C)
anion traces
phosphate (PO4-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg
cation traces
Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤500 mg/kg
Li: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤100 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: 0.04
λ: 280 nm Amax: 0.03
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