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中文名称:河流泥沙成分分析标准物质
英文名称:Stream Sediment订货以英文名称为准。
产品编号:IAEA-313CAS:/
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 50g 0.00 0.00 3-4周 加入购物车
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产品详细介绍
The IAEA-313 stream sediment sample was collected from the Sibolga area of the west coast of northern Sumatra, Indonesia. This material was γ-sterilized to ensure long-term stability of the material by inhibiting microbial action.
Reference date for decay correction: 1988-01-30
Analyte Value Unit 95% C.I. N R/I/C 226Ra 343 Bq/kg 307 – 379 24 R Th 77.1 mg/kg 74.8 – 79.4 23 R U 18.2 mg/kg 17.0 – 19.3 31 R (Value) Concentration calculated as a mean of the accepted laboratory means
(N) Number of accepted laboratory means which are used to calculate the recommended or information values and their respective confidence intervals
(R/I/C) Classification assigned to the property value for analyte (Recommended/Information/Certified)
The values listed above were established on the basis of statistically valid results submitted by laboratories which had participated in one or more international interlaboratory comparisons organized by the Chemistry Unit, IAEA Laboratories, Seibersdorf. The details concerning the criteria for qualification as a recommended or information value can be found in the respective report (attached).