乙二胺四乙酸 四钠盐 水合物

生物来源

synthetic (organic)

质量水平

200

检测方案

≥99.0%

形式

powder

杂质

Insoluble matter, passes filter test

pH值（酸碱度）

11.0-12.0 (0.1 M in H2O)

溶解性

H2O: 0.1 M, clear, colorless

痕量阴离子

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.01%

痕量阳离子

Al: ≤0.001%
As: ≤0.0001%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: <0.001%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Ni: ≤0.0005%
Pb: ≤0.0005%
Sr: ≤0.0005%
Zn: ≤0.0005%

吸光度

≤0.06 at 280 in H2O at 0.1 M
≤1.5 at 260 in H2O at 0.1 M

储存温度

room temp