Standard No.:	MT/T 251-2000
English Name:	Determination of nitrous radical in coal mine water
Chinese Name:	煤矿水中亚硝酸根离子的测定方法
Chinese Classification:	Z23    Analysis methods for industrial wastewater and pollutants
Professional Classification:	MT    Professional Standard - Coal
ICS Classification:	13.060.30 13.060.30    Sewage water 13.060.30
Issued by:	国家煤炭工业局
Issued on:	2000-12-08
Implemented on:	2001-5-1
Status:	valid
Superseding:	MT 251-1991
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	60.0
Delivery:	via email in 1~3 business day

本标准规定了用N（I-萘基)-1,2乙二胺二盐酸盐比色法测定煤矿水中的亚硝酸根离子。
本标准适用于煤矿水中亚硝酸根离子的测定，在本标准规定条件下，侧定亚硝酸根离子的溶液浓度范围是0.12～2.5mg/L。