Standard No.:	GB/T 34322-2017
English Name:	Automatic continuous determination of water quality for boiler and cooling system--Potentiometric titration
Chinese Name:	锅炉用水和冷却水水质自动连续测定 电位滴定法
Chinese Classification:	G76    Basic standards and general methods for water treatment agent
Professional Classification:	GB    National Standard
Issued by:	AQSIQ;SAC
Issued on:	2017-09-07
Implemented on:	2018-4-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	220.00
Delivery:	via email in 1~3 business day

本标准规定了工业锅炉用水、循环冷却水和天然水等水中的电导率、pH、酚酞碱度、总碱度、氯离子和硬度等项目的自动连续测定方法。�本标准适用的测定范围：电导率为10 μS/cm～10 mS/cm；pH为3～13；酚酞碱度为0 mmol/L～�30 mmol/L�；总碱度为0.2 mmol/L～50 mmol/L；氯离子为5 mg/L～1 500 mg/L；硬度（以Ca2+、 Mg2+计）为0.015 mmol/L～15 mmol/L。