Produção de sulfato de amônio duplamente marcado com os isótopos estáveis 15N e 34S

Química Nova

Everaldo Maximo¹  José Albertino Bendassolli¹  Paulo César Ocheuze Trivelin¹  Alexssandra Luiza Rodrigues Molina Rossete¹  Claudinéia Raquel De Oliveira¹  Clelber Vieira Prestes¹ 

[1] ,Universidade de São Paulo Centro de Energia Nuclear na Agricultura Piracicaba SP

关键词: nitrogen;    sulfur;    ion exchange;   

DOI  :  10.1590/S0100-40422005000200008

来源: SciELO

【 摘 要 】

The purpose of this work was the production of ammonium sulfate double labeled with 15N and 34S ((15NH4)2(34)SO4)), employing the ion exchange technique in two different processes. The first one was carried out using Na2(34)SO4 and (15NH4)2SO4 previously enriched. It was possible to obtain about 54g of (15NH4)2(34)SO4 from 70.0g of Na2(34)SO4 and 64.2g of (15NH4)2SO4 . The second method involved the production of H2(34)SO4, by ion exchange, and its subsequent reaction with 15NH3(aq), using a distillation system, to yield 58 g of (15NH4)2(34)SO4 from 43.1 g of H2(34)SO4.

【 授权许可】

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