Gas Diffusion/Permeation Flow Injection Analysis. Part I. Principles and Instrumentation
Gas Diffusion/Permeation Flow Injection Analysis. Part I. Principles and Instrumentation
复制标题
气体扩散/渗透流注入分析。
DOI：
10.1080/10408349208051649
复制
发表时间：
1992
影响因子：
5
通讯作者：
V. Kuban
中科院分区：
文献类型：
--
作者：
V. Kuban
摘要：气体扩散/渗透技术涉及不同的膜界面或开放的流体/流体界面，是分离和/或预富集各种类型分析物的有力工具，即气体，气体演化物质，挥发性无机和有机物质等，从气体，水生或有机样品基质中分离。介绍了这些技术的原理和影响跨膜转运的因素，如供体流和受体流的酸度、流速、膜特性、温度、压力等。本文概述了用于停止流动、闭环和连续流动安排的FIA歧管的不同配置、主要仪器模块的设计、不同半透膜的特性以及检测系统的特殊安排。
Abstract Gas diffusion/permeation techniques involving different membrane interphases or an open fluid/fluid interface are presented as powerful tools for separation and/or preconcentration of a variety of classes of analytes, i.e., gases, gas-evolving species, volatile inorganic and organic substances, etc., from gaseous, aquatic, or organic sample matrices. Principles of the techniques and factors influencing transmembrane transport, such as acidity of the donor and the acceptor streams, their flow rates, membrane characteristics, temperature, pressure, etc., are described. Different configurations of FIA manifolds for stopped-flow, closed-loop, and continuous flow arrangements, designs of principal instrumental modules, characteristics of different semipermeable membranes, and special arrangements of detection systems are outlined.