MEASUREMENT OF SELENIUM VOLATILIZATION IN THE FIELD
作者:
J. BIGGAR,
G. JAYAWEERA,
期刊:
Soil Science
(OVID Available online 1993)
卷期:
Volume 155,
issue 1
页码: 31-36
ISSN:0038-075X
年代: 1993
出版商: OVID
数据来源: OVID
摘要:
Volatilization can reduce soil selenium. A method was developed to measure volatile Se from soils and plants using a chamber in which temperature and light conditions were similar to the ambient. Inserting the chamber into the soil isolated a soil column and collected volatile Se for a known period of time. In a laboratory test with a known quantity of dimethyl selenide solution, the Se recovery was 98%. In soil systems with and without plants, the collection of volatile Se was reproducible. The soil and air temperatures inside and outside the chamber were similar because of the chamber design.
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