离子对试剂用作流动相添加剂时,可促进反相HPLC柱上离子和高极性物质的分析。流动相添加剂的纯度对其有效应用具有最高意义。Sigma-Aldrich为阴离子(季铵盐和鏻盐)和阳离子(烷烃磺酸盐)分离提供各种定制试剂。所有流动相添加剂均经过彻底测试,并特别考虑了现代反相HPLC的要求
cationic
100
≥99.0% (AT)
crystals
LiChropur™
ion pair chromatography: suitable
>300 °C (lit.)
10 % in H2O
λ: 240 nm Amax: 0.06λ: 250 nm Amax: 0.03λ: 260 nm Amax: 0.02λ: 500 nm Amax: 0.02
corresponds to standard for filter test
[Br-].C[N+](C)(C)C
1S/C4H12N.BrH/c1-5(2,3)4;/h1-4H3;1H/q+1;/p-1
DDFYFBUWEBINLX-UHFFFAOYSA-M
Danger
Acute Tox. 2 Oral
6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 3
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges