电感耦合等离子体发射光谱法测定饲料中8种元素含量的不确定度分析  

Uncertainty analysis of measurement of eight elements in feed by inductively coupled plasma emission spectrometry

作　　者：赵静[1,2,3] 王环[1,2,3] 杲秀珍 冀恬[3] 王虹蕾 李玉林[1,2,3] 谭亮 ZHAO Jing;WANG Huan;GAO Xiu-zhen;JI Tian;WANG Hong-lei;LI Yu-lin;TAN Liang(不详)

机构地区：[1]中国科学院藏药研究重点实验室,青海西宁810008 [2]中国科学院西北高原生物研究所青海省藏药药理学和安全性评价研究重点实验室,青海西宁810008 [3]中国科学院西北高原生物研究所分析测试中心,青海西宁810008

出　　处：《饲料研究》2021年第1期83-87,共5页Feed Research

基　　金：兰州区域中心2019年度自主知识课题(项目编号:2019zl03)。

摘　　要：试验对电感耦合等离子体发射光谱法测定饲料中钙、铜、铁、镁、锰、钾、钠、锌8种元素全过程进行不确定度的影响因素分析,并对各不确定度分量进行计算。根据BS EN 15510:2017方法,采用电感耦合等离子体发射光谱法测定饲料中元素含量。测定结果均在标准物质证书给定的标准值与不确定度范围内,表明该结果准确可靠。测量不确定度主要来自标准工作曲线拟合产生的不确定度和重复性试验不确定度。The study was to analyze the whole determination process of influencing factors of uncertainty of calcium,copper, iron, magnesium, manganese, potassium, sodium and zinc in feed by inductively coupled plasma emission spectrometry, and calculate uncertainty components. According to BS EN 15510:2017 method, the element content in feed was determined by inductively coupled plasma emission spectrometry. The results are within the range of standard value and uncertainty of the standard substance certificate, indicating that the results are accurate and reliable.The uncertainty of measurement mainly comes from uncertainty of standard working curve fitting, and uncertainty of repetitive experiment.

关 键 词：电感耦合等离子发射光谱法 饲料 不确定度 

分 类 号：S816.17[农业科学—饲料科学]