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中文名稱：湖泊沉積物成分分析標(biāo)準(zhǔn)物質(zhì)
英文名稱：Lake Sediment訂貨以英文名稱為準(zhǔn)。
產(chǎn)品編號(hào)：IAEA-SL-3CAS：/
品牌：IAEA產(chǎn)地：進(jìn)口
標(biāo)準(zhǔn)值：見證書分子式：/
規(guī)格 市場(chǎng)價(jià)(元) 折后價(jià)(元) 供貨周期 數(shù)量 加入購物車 25g 0.00 0.00 3-4周 加入購物車
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產(chǎn)品詳細(xì)介紹
The IAEA-SL-3 lake sediment was collected from the Neusiedlersee, located some 80 km south-east of Vienna, Austria. The material was collected directly from the top layer of the sediment using a mud pump and then coarse particle were removed in the field. After drying, the material was milled to give a particle size less than 71 μm. This material was γ-sterilized to ensure long-term stability of the material by inhibiting microbial action.
Analyte Value Unit 95% C.I. N R/I/C Al 24500 mg/kg 23300 – 25700 5 I As 3.2 mg/kg 3.0 – 3.4 17 R Br 5.6 mg/kg 4.8 – 6.4 16 I Ca 111100 mg/kg 107200 – 115000 9 I Ce 45.5 mg/kg 43.8 – 47.2 14 R Cs 1.38 mg/kg 1.24 – 1.52 16 I Dy 2.22 mg/kg 1.65 – 2.79 6 I Eu 0.66 mg/kg 0.64 – 0.68 14 R Hf 9.1 mg/kg 8.5 – 9.7 18 R K 8740 mg/kg 7910 – 9570 9 R La 22.5 mg/kg 21.5 – 23.5 18 R Lu 0.3 mg/kg 0.27 – 0.33 12 I Mg 27000 mg/kg 24600 – 29400 5 I Na 6690 mg/kg 6360 – 7020 13 I Nd 21.5 mg/kg 20.0 – 23.0 13 R Rb 38.8 mg/kg 36.9 – 40.7 20 R Sb 0.56 mg/kg 0.46 – 0.66 15 I Sc 3.91 mg/kg 3.64 – 4.18 18 I Sm 3.83 mg/kg 3.53 – 4.13 16 R Sr 470 mg/kg 450 – 490 14 R Ta 0.7 mg/kg 0.65 – 0.75 8 I Tb 0.49 mg/kg 0.44 – 0.54 9 I Th 7 mg/kg 6.5 – 7.5 21 R Ti 2610 mg/kg 2300 – 2920 5 I U 2.3 mg/kg 2.08 – 2.52 13 I Yb 1.89 mg/kg 1.77 – 2.01 14 I (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).
