广西科学2012，Vol.19Issue(3)：247-248,252,3.
红外吸收法测定土壤中硫含量结果的不确定度评定
Assessment of Sulfur Uncertainty the Soil by High Frequency Infrared Absorption Spectrometer
莫达松 1罗平 1蒋天成 1刘守廷1
作者信息
- 1. 广西分析测试研究中心,广西南宁530022
- 折叠
摘要
Abstract
An assessment was carried out to determine the sulfur in soil by high frequency infrared absorption spectrometer, and the sources of uncertainty in this analytic method was analyzed such as standard materials, weighing,duplicate test, instrument showed value, fluxing a-gent and porcelain crucible etc. The mathematical model was established and the standard uncertainty components were calculated. The results showed that combined standard uncertainty was 0. 00073 % and extend standard uncertainty was 0. 0015 %. The sources of uncertainty came mainly from duplicate test and selected standard materials, whereas the uncertainty from instrument showed value could be ignored. It was necessary to control weighing, fluxing agent and porcelain crucible during the measurement.关键词
评定/不确定度/红外吸收法/土壤/硫Key words
.assessment, uncertainty, infrared absorption method, soil, sulfur分类
化学化工引用本文复制引用
莫达松,罗平,蒋天成,刘守廷..红外吸收法测定土壤中硫含量结果的不确定度评定[J].广西科学,2012,19(3):247-248,252,3.
