產(chǎn)品線

BioXtra

質(zhì)量水平

200

檢測方案

≥99.0%

形式

powder or crystals

雜質(zhì)

≤0.1% Insoluble matter

pH值（酸堿度）

8.0-11.0 (20 °C, 1 M in H₂O)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

溶解性

H₂O: 1 M at 20 °C, clear, colorless

痕量陰離子

chloride (Cl^-): ≤0.05%
sulfate (SO₄^2-): ≤0.05%

痕量陽離子

Al: ≤0.0005%
Ca: ≤0.002%
Cu: ≤0.0005%
Fe: ≤0.002%
K: ≤0.005%
Mg: ≤0.005%
NH₄⁺: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%