天津欧捷科技代理瑞士santis,英国labco,美国alpha,德国元素elementar,美国thermo等品牌耗材
Inorganic , Water
Unit Size: 50 ml
IAEA-B-3 is a groundwater sample collected from an alluvial aquifer in the upper basin of the Cecina River, Italy. After filtration, water samples were acidified with boron free HCl and distributed into polyethylene bottles. The material is prepared by the Istituto di Geoscienze e Georisorse, Pisa, Italy [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 | -21.4 | ‰NBS 951 | 0.89 | R |
(R/I/C) Classification assigned to the property value for analyte (Recommended/Information/Certified)