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中文名称：Potassium Nitrate Pure Substance 15N and 18O
英文名称：Potassium Nitrate Pure Substance 15N and 18O订货以英文名称为准。
产品编号：USGS32CAS：/
品牌：标准物质产地：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 0.5g 0.00 0.00 3-4周 加入购物车
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产品详细介绍
USGS32Potassium Nitrate Pure Substance 15N and 18O
Reference material USGS32 is aimed at δ15N and δ18O calibrations.
USGS32 is potassium nitrate KNO3 prepared in 1992 by J. K. Böhlke, U.S. Geological Survey [1] dissolving and re-crystallizing a mixture of normal reagent salt and 15N enriched salt.
Its δ15N value is based on interlaboratory comparison [2].Analyte
Value
Unit
SD
R/I/C
δ15N
+180
‰air N2
1
C
δ18O
+25.7
‰VSMOW
0.4
R
(R/I/C) Classification assigned to the property value for analyte (Recommended/Information/Certified)
