Standard No.:	GB/T 13689-2007
English Name:	Water for industrial circulating cooling system and boiler—Determination of copper
Chinese Name:	工业循环冷却水和锅炉用水中铜的测定
Chinese Classification:	G76    Basic standards and general methods for water treatment agent
Professional Classification:	GB    National Standard
ICS Classification:	71.040.40 71.040.40    Chemical analysis 71.040.40
Issued by:	AQSIQ; SAC
Issued on:	2007-10-17
Implemented on:	2008-2-1
Status:	valid
Superseding:	GB/T 14418-1993 Analysis of water used in boiler and cooling system－Determination of copper GB/T 13689-1992 Industrial circuating cooling water--Determination of copper--Sodium diethyldithiocabamate spectrophotometric method
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	160.00
Delivery:	via email in 1~3 business day

本标准规定了天然水、工业循环冷却水和锅炉用水中铜含量的测定方法。本标准中锌试剂法适用于锅炉给水、凝结水、蒸汽、水内冷发电机冷却水和炉水等水样中铜含量2.5μg/L～50μg/L的测定；二乙基二硫代氨基甲酸钠分光光度法适用于工业循环冷却水、各种工业用水及生活用水中铜含量0.01mg/L～2.00mg/L的测定；二乙基二硫代氨基甲酸钠直接光度法适用于不含悬浮物的工业循环冷却水中铜含量0.05mg/L～6.00mg/L的测定。