供货周期: | 现货 |
品牌: | IAEA |
规格: | 30 g |
货号: | IAEA-B-5 |
CAS号: |
Inorganic , Mineral
Unit Size: 30 g
IAEA-B-5 is natural basalt, originating from the Etna Volcano eruption in 1998 and was prepared by the Istituto di Geoscienze e Georisorse, Pisa, Italy. The material was ground to a grain size generally smaller than 5 μm with a few grains up to 40 μm, mixed and homogenized [1]. The recommended values of the quality control material are the results of the statistical evaluation of an interlaboratory comparison [2].
Analyte | Value | Unit | SD | R/I/C |
---|---|---|---|---|
δ11B | -3.8 | ‰NBS 951 | 2.0 | R |
(R/I/C) Classification assigned to the property value for analyte (Recommended/Information/Certified)
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