哌嗪-N,N'-二(2-乙磺酸)

产品线

BioXtra

检测方案

≥99% (titration)

形式

powder

杂质

Insoluble matter, passes filter test

灼烧残渣 (900 °C)

≤0.5% (as SO4)

缺失

≤0.5% loss on drying, 110°C

useful pH range

6.1-7.5

pKa (25 °C)

6.8

mp

>300 °C (lit.)

溶解性

1 M NaOH: 0.5 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl-): ≤0.2%

痕量阳离子

Al: ≤0.005%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.005%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
Na: ≤0.1%
Ni: ≤0.0005%
Pb: ≤0.0005%
Sr: ≤0.0005%
Zn: ≤0.0005%

吸光度

≤0.1 at 260 in 1 M NaOH at 0.5 M
≤0.1 at 280 in 1 M NaOH at 0.5 M

application(s)

diagnostic assay manufacturing