Standard No.:	GB/T 14637-2007
English Name:	Industrial circulating cooling water and scale—Determination of copper zinc—Atomic absorption spectrometric method
Chinese Name:	工业循环冷却水及水垢中铜、锌的测定原子吸收光谱法
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:	abolished
Superseded by:	GB/T 14637-2021 Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectrometric method
Superseded on:	2022-3-1
Abolished on:	2022-03-01
Superseding:	GB/T 14637.2-1993 Scale in industrial circulating cooling water-Determi zinc-Atomic absorption spectrometry GB/T 14638.2-1993 Scale in industrial circulating cooling water--Determi copper--Atomic absorption spectrometry GB/T 16634-1996 Industrial circulating cooling water--Determination of zinc for phosphorus-zinc prefilming fluid--Atomic absorption spectrometric method GB/T 14637.1-1993 Industrial circulating cooling water--Determination of zinc--Atomic absorption spectrometry GB/T 14638.1-1993 Industrial circulating cooling water--Determination of copper--Atomic absorption spectrometry
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	160.0
Delivery:	via email in 1~3 business day

本标准规定了工业循环冷却水及水垢中铜、锌含量的测定方法---原子吸收光谱法。
本标准适用于工业循环冷却水中铜含量为0.5mg/L~50mg/L、锌含量为0.1mg/L~20mg/L,
水垢中铜含量为0.5mg/g~10mg/g、锌含量为0.1mg/g~10mg/g的测定。
本标准也适用于各种工业用水、原水、生活用水及锅炉水水垢中铜、锌含量的测定。
本标准同时也适用于工业循环冷却水用磷锌预膜液中锌含量的测定。