SPECTROGRAPHIC ANALYSIS OF GEOLOGICAL MATERIALS WITH AN ARGON PLASMA-JET

被引：21
|
作者：
GOLIGHTLY, DW [1 ]
HARRIS, JL [1 ]
机构：
[1] US GEOL SURVEY, RESTON, VA 22092 USA
来源：
APPLIED SPECTROSCOPY | 1975年 / 29卷 / 03期
关键词：
GEOCHEMISTRY - Analytical - PLASMA DEVICES - Jets;
D O I：
10.1366/000370275774456111
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
An argon plasma jet source of recent design is applied to multiple element spectrographic analysis of geological materials. The source is characterized in terms of accuracy of analysis and repeatability of measurements obtained from spectra from a large region of the plasma. Results of analyses for Al, Ca, Fe, Mg, Si, and Ti in geochemical reference samples, for Ti in lunar basalts, gabbros, and soils, and for the SiO//2/Al//2O//3 ratio in mordenite from geodes are presented. The effective temperature of the plasma region used for analytical measurements is 4670 plus or minus 50 degree K.
引用
收藏
页码：233 / 240
页数：8
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