ULTRASONIC VACUUM EXTRACTION OF GASES FROM WATER FOR CHEMICAL AND ISOTOPIC ANALYSIS

被引：18
|
作者：
HOLT, BD
STURCHIO, NC
AREHART, GB
BAKEL, AJ
机构：
来源：
CHEMICAL GEOLOGY | 1995年 / 122卷 / 1-4期
关键词：
D O I：
10.1016/0009-2541(95)00036-L
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
A method is described for ultrasonic vacuum extraction of gases from groundwater samples. Ultrasonic vacuum extraction provides near-quantitative gas yields within 30 min, and allows on-line preparation of carbon dioxide, nitrogen and oxygen for isotopic analyses. This method eliminates uncertainties involved in correcting headspace gas analyses for solubilities and liquid-vapor isotopic fractionation. In addition to developmental data, some field results are given to demonstrate the applicability of the method to geochemical studies.
引用
收藏
页码：275 / 284
页数：10
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