GB/T 23772-2009
ActiveInorganic chemicals for industrial use - General method for the determination of total nitrogen content - Nessler's reagent colorimetric method
无机化工产品中总氮含量测定的通用方法 蒸馏-纳氏试剂比色法
Application Summary AI generated
This standard specifies a general method for determining total nitrogen content in inorganic chemicals for industrial use, utilizing distillation followed by Nessler's reagent colorimetric analysis. It is applied in quality control and testing laboratories to verify nitrogen levels in raw materials and finished products within the inorganic chemical industry, such as fertilizers, salts, and acids. The method is particularly relevant for compliance with purity specifications and regulatory limits in industrial chemical manufacturing and procurement.
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