grade
for molecular biology
product line
BioUltra
composition
guanidine thiocyanate, 4 M
Na-citrate, 25 mM
sarcosyl, 0.5%
total impurities
DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
refractive index
n20/D 1.433
pH
5.5-7.0
anion traces
chloride (Cl-): ≤500 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
Al: ≤2 mg/kg
As: ≤0.1 mg/kg
Ba: ≤2 mg/kg
Bi: ≤2 mg/kg
Ca: ≤10 mg/kg
Cd: ≤2 mg/kg
Co: ≤2 mg/kg
Cr: ≤2 mg/kg
Cu: ≤2 mg/kg
Fe: ≤2 mg/kg
K: ≤100 mg/kg
Li: ≤2 mg/kg
Mg: ≤2 mg/kg
Mn: ≤2 mg/kg
Mo: ≤2 mg/kg
Ni: ≤2 mg/kg
Pb: ≤2 mg/kg
Sr: ≤2 mg/kg
Zn: ≤2 mg/kg
λ
neat
UV absorption
λ: 280 nm Amax: 1
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