LEAD IN FEED INCIDENT - MULTIELEMENT ANALYSIS OF CATTLE FEED AND TISSUES BY INDUCTIVELY COUPLED PLASMA-MASS SPECTROMETRY AND COOPERATIVE QUALITY ASSURANCE SCHEME FOR LEAD ANALYSIS OF MILK

被引:13
作者
CREWS, HM
BAXTER, MJ
BIGWOOD, T
BURRELL, JA
OWEN, LM
ROBINSON, C
WRIGHT, C
MASSEY, RC
机构
[1] Food Science Laboratory, Food Safety Directorate, Ministry of Agriculture, Fisheries and Food, Norwich, NR4 7UQ, Norwich Research Park, Colney
来源
FOOD ADDITIVES AND CONTAMINANTS | 1992年 / 9卷 / 04期
关键词
LEAD; MULTIELEMENT; MICROWAVE DISSOLUTION; ICP-MS; CATTLE FEED; TISSUES; MILK; QUALITY ASSURANCE SCHEME;
D O I
10.1080/02652039209374083
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Contaminated cattle feed was imported into the UK in 1989 and resulted in lead toxicity in some animals. Rapid analyses for lead and several other possible contaminating elements were required for feed and cattle tissues. Microwave dissolution of samples with measurement by ICP-MS was used for multi-element determinations. Lead was found to be the major contaminant. Lead levels in milk samples were measured by several laboratories during the crisis and an analytical quality assurance scheme was devised to monitor the quality of the data. The scheme allowed any poorly performing laboratories to be rapidly identified and excluded from the survey.
引用
收藏
页码:365 / 378
页数:14
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