GB/T 12149-2007 in English

SUPERSEDED

Water for industrial circulating cooling system and boiler—Determination of silica

Issued on:2007-10-17
Implemented on:2008-02-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $120.00
$117.00

Standard No:	GB/T 12149-2007
Document status:	SUPERSEDED
Superseded by:	GB/T 12149-2017 Determination of silica in water for industrial circulating cooling system and boiler
Superseded on:	2018-04-01
Title in English:	Water for industrial circulating cooling system and boiler—Determination of silica
Title in Chinese:	工业循环冷却水和锅炉用水中硅的测定
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2007-10-17
Implemented on:	2008-02-01
Superseding:	GB/T 12149-1989 Analysis of water used in boiler and cooling system--Determination of silica--Molybdenum blue colorimetry GB/T 12150-1989 Analysis of water used in boiler and cooling system-The determination of silica(photometric method by silicomolybdenum blue) GB/T 14417-1993 Analysis of water used in boiler and cooling system. Determination of total silica GB/T 16633-1996 Industrial circulating cooling water--Determination of silica--Spectrophotometric method
ICS Classification:	71.040.40-Chemical analysis
Chinese Classification:	G76-Basic standards and general methods for water treatment agent
Professional Classification:	GB-National Standard
Related Keywords:	cooling water boiler water natural water boiler determination determination method
Related Topics:	industrial cooling water Small circulating water cooling Cooling water industrial water cooler Circulating water sheet industrial water cooler circulating cooling water Small cooling circulating water Determination of as in water Cooling water circulation Daily water circulation water GB/T 12149-2017 Small circulating water cooler water silicon circulating cooling circulating cooling water Circulating cooling water total nitrogen Silicon content in coolant Metallurgical industry circulating water Silicon content in water atomic cycle cooling water water silicon Cooler circulating water Circulating water slicer Cold water cycler Cooler circulating water water cycler Cold water cycler Portable circulating water cooler water cycler High quality circulating water cooler Circulating cooler Industrial circulating cooling water Cooling circulating water meter Dongfang high-grade circulating water cooler Oriental high quality circulating water cooler Zinc content in industrial circulating cooling water Cooling water circulation equipment Dongfang new circulating water cooler Circulating water 60 degrees Circulating cooling water cod Circulating cooling water cod Large circulating water cooler Dongfang circulating water cooler Efficient circulating water cooler External circulating water cooler Cooling water circulation Water-cooled circulator Water-cooled circulator Small circulating water cooling system large circulating water cooler Excellent circulating water cooler High-quality circulating water cooler Silicon content in boiler water boiler water Industrial circulating cooling water and boiler water Silicon content in boiler water boiler water Industrial circulating cooling water Cold water circulation tank gb/t12149 Cold water circulation pipeline How does the cold water cycle cool Circulating water cooler cod circulating cooling water Detection of silicon in water Circulating water cooler Silicon detection in water bridgehead water cycle Automatic circulating water cooler Authentic circulating water cooler Internal circulating water cooling Cooling water circulation system High-quality circulating cooling water Follow / By % oil in boiler water Zinc content in cooling water Circulating Cooling Water Total Organic Carbon Industrial Cooling Circulating Water Specific wavelengths of silicon in water Design of Circulating Cooling Water System in Chemical Industry industrial cycle GBT12149 GB/T 12149-1989 GB/T 12149-2007 GB/T 12149-2017 industrial silicon moisture use water Chiller/Cooling Circulating Water Machine Aowei cooling water circulation machine Injection molding machine cooling water circulation system BUCHI cooling circulating water Zhonghuan tube furnace Circulating water cooling water filtration accuracy How to measure silicon in water Method for determination of volatile phenol in boiler water Total phosphorus in industrial circulating water Cooling water testing Cooling water circulator national implementation Detection of bacteria and algae in industrial circulating cooling water Resistance furnace cooling water consumption Boiler water silicon content Circulating water zinc test Circulating cooling water pressure Determination of silicon in water National standard for silicon content in water Determination of inorganic phosphorus in circulating water Industrial boiler water quality Determination of trace silicon in water Determination of moisture in silica Industrial circulating water discharge European circulating cooling water gb/t12149-2017 Classification of cold water operations in China gb/t 12149 industrial cooling water gbt12149 gb/t 12149-2007

《GB/T 12149-2007工业循环冷却水和锅炉用水中硅的测定》由TC63（全国化学标准化技术委员会）归口，TC63SC5（全国化学标准化技术委员会水处理剂分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了工业循环冷却水、锅炉用水及天然水中硅含量的测定方法。本标准中分光光度法适用于工业循环冷却水中可溶性硅含量为0.1mg/L～5mg/L的测定；硅酸根分析仪法适用于化学除盐水、锅炉给水、蒸汽、凝结水等锅炉用水中硅含量为0～50μg/L的测定；重量法适用于工业循环冷却水及天然水中硅含量＞5mg/L的测定；氢氟酸转化分光光度法适用于天然水中全硅含量为0.5mg/L～5mg/L的测定。

Scope

This standard specifies the determination method of silicon content in industrial circulating cooling water, boiler water and natural water. The spectrophotometric method in this standard is applicable to the determination of the soluble silicon content in industrial circulating cooling water of 0.1 mg/L to 5 mg/L; Determination of silicon content of 0 ~ 50ug / L; gravimetric method is suitable for the determination of silicon content > 5 mg / L in industrial circulating cooling water and natural water; hydrofluoric acid conversion spectrophotometry is suitable for natural water with a total silicon content of 0.5 mg / L Determination of L ~ 5 mg/L.

More samples: YD/T 3934-2021 JJG 21-2008 JGJ 94-2008

Sample only — not a preview of GB/T 12149-2007

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