含量(C2H2O2)Assay,% ≥ 40.0±0.5
灼烧残渣(以硫酸盐计)Ignition residue,% ≤ 0.1
酸度(以CH3COOH计)Acidity,% ≤ 0.15
氮化合物(以N计)Nitrogen compound,% ≤ 0.1
色度(APHA) ≤ 15
品级Grade 用于分子生物学
(for molecular biology)
浓度concentration ~40% in H2O (~8.8 M)
DNA酶DNases, none detected
RNA酶RNases, none detected
磷酸酶phosphatases, none detected
蛋白酶proteases, none detected
氯chloride (Cl-): ≤100 ppm
硫酸根sulfate (SO42-): ≤100 ppm
Ca: ≤5 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤5 ppm
K: ≤5 ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Na: ≤300 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Zn: ≤5 ppm
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