Standard No.:	GB/T 6904-2008
English Name:	Water used in industrial circulating cooling system and boiler - Determination of pH
Chinese Name:	工业循环冷却水及锅炉用水中pH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
Source Content Issued by:	AQSIQ; SAC
Issued on:	2008-4-1
Implemented on:	2008-9-1
Status:	to be superseded
Superseded by:	GB/T 6904-2026 Determination of pH in water for industrial recirculating cooling system and boiler
Superseded on:	2027-2-1
Superseding:	GB/T 15893.2-1995 Industrial circulating cooling water--Determination of pH--Electrometric method GB/T 6904.1-1986 Methods for analysis of water for boiler and for cooling; The determination of pH; The glass electrode method GB/T 6904.3-1986 GB/T 6904.3-1993 Analysis of water used in boiler and cooling system. Determination of pH. The glass electrode method for pure water
Target Language:	English
File Format:	PDF
Word Count:	2800 words
Translation Price(USD):	112.0
Delivery:	via email in 1~3 business day

本标准规定了工业循环冷却水及锅炉用水中pH的测定方法，适用于工业循环冷却水及锅炉用水中pH在0～14范围内的测定，还适用于天然水、污水、除盐水、锅炉给水以及纯水的pH的测定。 本标准同时代替ＧＢ／Ｔ１５８９３．２—１９９５《工业循环冷却水中ｐＨ 的测定　电位法》、ＧＢ／Ｔ６９０４．１—１９８６《锅炉用水和冷却水分析方法　ｐＨ 的测定　玻璃电极法》和ＧＢ／Ｔ６９０４．３－１９８６《锅炉用水和冷却水分析方法　ｐＨ 的测定　用于纯水的玻璃电极法》。本标准将ＧＢ／Ｔ１５８９３．２—１９９５、ＧＢ／Ｔ６９０４．１—１９８６和ＧＢ／Ｔ６９０４．３—１９８６进行了合并。本标准与ＧＢ／Ｔ１５８９３．２—１９９５、ＧＢ／Ｔ６９０４．１—１９８６和ＧＢ／Ｔ６９０４．３—１９８６相比在技术内容上没有差异。