The uncertainty MgO content in the phosphate
was evaluated. Uncertainty for measuring Mgo in the
phosphate results from sample pretreatment,standard
solution,standard curve and the instrument and
glassware used in the experiment. According to the
evaluation process of the uncertainty of components,the
composed uncertainty were analyzed and calculated.
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收稿日期:20101220作者简介:周玉翔(1966),男,云
南禄丰人,工程师.研究方向:矿物岩石、化工产品检测及实验室管
理.