HG/T 4322-2012Industrial circulating cooling water - Determination of silicate in fouling and corrosion products (English PDF)
工业循环冷却水污垢和腐蚀产物中硅酸盐的测定
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
November 7, 2012
Implementation date
March 1, 2013
Scope
HG/T 4322-2012 is the English-translated version of 工业循环冷却水污垢和腐蚀产物中硅酸盐的测定.
HG/T 4322-2012 is the recommended chemical industry standard for measuring silicate, expressed as SiO2, in the fouling deposits and corrosion products of industrial circulating cooling water. It specifies the determination method for that silicate content. The standard is applied to deposits and corrosion products taken from industrial cooling water systems. Its reagents, volumetric solutions and analytical practice rest on GB/T 601, GB/T 602-2002, GB/T 603-2002, GB/T 6682-2008 and GB/T 14637-2007, and it is used with HG/T 3530 and HG/T 3531. It sits under the Chinese classification G76 and the international classification 71.040.40. Issued on 7 November 2012, it has applied since 1 March 2013.
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Document preview — HG/T 4322-2012
National Standard of the People's Republic of China
- ICS
- 71.040.40
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
HG/T 4322-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 601
GB/T 602-2002
GB/T 603-2002
GB/T 6682-2008
GB/T 14637-2007
HG/T 3530
HG/T 3531
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 601Chemical Reagent - Preparations of Standard Volumetric Solutions
- GB/T 602-2002Chemical reagent - Preparation of standard solutions for impurity determination
- GB/T 603-2002Chemical reagent - Preparations of reagent solutions for use in test methods
- GB/T 6682-2008Water for analytical laboratory use - Specification and test methods
- GB/T 14637-2007Determination of copper,iron and zinc in industrial circulating cooling water and scale - Atomic absorption spectrometric method
- HG/T 3530Industrial circulating cooling water - Sampling and preparation of sludge and corrosion product samples
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