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中文名称：鱼匀浆分析标准物质
英文名称：Fish Homogenate订货以英文名称为准。
产品编号：IAEA-476CAS：/
品牌：IAEA产地：进口
标准值：见证书分子式：/
规格 市场价(元) 折后价(元) 供货周期 数量 加入购物车 20g 0.00 0.00 3-4周 加入购物车
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产品详细介绍
The certificate is the only official source for values and uncertainties.
Element Unit Certified valuea Expanded uncertaintyb Ag mg.kg-1 57.6x10-3 5.7x10-3 As mg.kg-1 21.2 1.4 Cd mg.kg-1 28.0x10-3 2.7x10-3 Cu mg.kg-1 2.38 0.31 Fe mg.kg-1 139 19 Hg mg.kg-1 0.578 0.022 CH3Hg mg.kg-1 as Hg 0.523 0.030 Mn mg.kg-1 16.4 1.6 Pb mg.kg-1 0.644 0.053 Se mg.kg-1 2.12 0.20 Zn mg.kg-1 53.6 2.9 a) Information on calculation of certified values
Certified values are calculated from the accepted data sets, each set being obtained by a different laboratory and/or a different method of determination following ISO Guide 35 ‘Reference materials – General and statistical principles for certification’ [1].
b) Information on method used for uncertainty estimation
The uncertainty is expressed as a combined uncertainty with a coverage factor k = 2, corresponding to a level of probability 95% , estimated in accordance with the JCGM 100:2008 ‘Evaluation of measurement data – Guide to the expression of uncertainty in measurement’ [2] and ISO Guide 35 [1].
