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天津欧捷科技有限公司代理原子能机构IAEA稳定同位素标样
IAEA-N-1 , Ammonium Sulfate
Inorganic , Pure Substance
Unit Size: 0.5g
IAEA-N-1 is a relatively coarse grained. salt of ammonium sulfate [(NH4)2 SO4] prepared by E. Salati, CENA (Centro de Energia Nuclear na Agricultura), Brazil, in the period of 1978 to 1983 [1, 2]. Its δ15N value is determined using data from several interlaboratory comparisons and assessments [2-5].
Analyte Value Unit SD R/I/C
δ15N +0.4 ‰air N2 0.2 C
(R/I/C) Classification assigned to the property value for analyte (Recommended/Information/Certified)