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中文名稱：Potassium Nitrate Pure Substance 15N and 18O
英文名稱：Potassium Nitrate Pure Substance 15N and 18O訂貨以英文名稱為準(zhǔn)。
產(chǎn)品編號：USGS32CAS：/
品牌：標(biāo)準(zhǔn)物質(zhì)產(chǎn)地：進(jìn)口
標(biāo)準(zhǔn)值：見證書分子式：/
規(guī)格 市場價(元) 折后價(元) 供貨周期 數(shù)量 加入購物車 0.5g 0.00 0.00 3-4周 加入購物車
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產(chǎn)品詳細(xì)介紹
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. B?hlke, 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)
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