Gradient nanopump based suppressed ion chromatography using PEEK open tubular columns
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论文类型 : 期刊论文
论文编号 : https://doi.org/10.1016/j.talo.2020.100029
第一作者 : Weixiong Huang
通讯作者 : Purnendu K. Dasgupta
全部作者 : Weixiong Huang, Alex Plistil, Stanley D. Stearns, Purnendu K. Dasgupta
发表时间 : 2021-01-06
发表刊物 : Talanta Open
学科门类 : 理学
一级学科 : 化学
文献类型 : J
卷号 : 3
页面范围 : 1-11
ISSN : 2666-8319
摘要 : The progress of open tubular suppressed ion chromatography is reviewed from a broad perspective. Then a sup- pressed open tubular ion chromatography system, composed mostly of commercial components, is described: A splitless gradient-capable nanopump providing eluent delivery in the 10–1000 nL/min regime, a 7-nL injector integral to the pump, an anion exchange column based on a 25 μm i.d. poly(ether ether ketone) (PEEK) capil- lary, and an on-column admittance detector. The membrane suppressor was custom fabricated. Good gradient separation of seven common anions in 9 min is demonstrated using
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