产品线

BioXtra

检测方案

≥99%

形式

powder

杂质

≤0.005% Phosphorus (P)
≤0.1% Insoluble matter

灼烧残渣

≤0.1%

pH值（酸碱度）

3.0-7.0 (20 °C, 0.5 M in H2O)

pKa (25 °C)

10.4

pKa 

10.4

mp

>300 °C (lit.)

溶解性

H2O: 0.5 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%

痕量阳离子

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

吸光度

≤0.2 at 260 in H2O at 0.5 M
≤0.2 at 280 in H2O at 0.5 M

储存温度

room temp