65080 标准查询与下载



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Pezentul Standard Interna?ional stabile?te o metod? de dozare a azotului amoniacal din ?ngr???mintele care con?in alte substan?e care elibereaz? amoniac, prin tratarea cu hidroxid de sodiu, ca de exemplu ureea sau produ?ii de condensare ureo-aldehidici.

Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method

ICS
65080
CCS
发布
1994-12-1
实施



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