Standard No.:	GB/T 23772-2009
English Name:	Inorganic chemicals for industrial use - General method for the determination of total nitrogen content - Nesslers reagent colorimetric method
Chinese Name:	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
Chinese Classification:	G10    Inorganic chemicals in general
Professional Classification:	GB    National Standard
ICS Classification:	71.060.01 71.060.01    Inorganic chemicals in general 71.060.01
Source Content Issued by:	AQSIQ; SAC
Issued on:	2009-5-13
Implemented on:	2010-1-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	180.0
Delivery:	via email in 1~3 business day

本标准规定了无机化工品产中总氮含量测定的通用方法纳氏试剂比色法的方法提要、安全提示、一般规定、试剂、仪器、设备、分析步骤和结果计算。
本方法适用于无机化工产品中微量无机氮化合物(包括硝酸盐、亚硝酸盐及铵盐)总量的测定。检测范围为0.05μg/mL~0.8μg/mL(以N 计)。