GB/T 14642-1993
Industrial circulating cooling water and boiler waterdetermination of fluorine Choride phosphate Nitrite nitrate and sulfate--Ion chromatography (English Version)
- Standard No.
- GB/T 14642-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2010-02
- Replace By
- GB/T 14642-2009
- Latest
- GB/T 14642-2009
- Scope
- This standard specifies fluorine (F-), chlorine (Cl-), phosphate (PO3-4), nitrite (NO2-), nitrate (NO3-), sulfate (SO42) in industrial circulating cooling water and boiler water. -) Determination method of plasma. This standard applies to industrial circulating cooling water and boiler water with a fluorine content of 0.10-100.0 mg/L; a chlorine content of 0.10-500.0 mg/L; a phosphate content of 0.10-50.0 mg/L; a nitrite content of 1.0-50.0 mg/L; The content of nitrate is 3.0~100.0mg/L; the content of sulfate is 5.0~500.0mg/L.
GB/T 14642-1993 history
- 2009 GB/T 14642-2009 Industrial circulating cooling water and boiler water.Determination of fluoride,chloride,phosphate,nitrite,nitrate and sulfate.Ion chromatography
- 1993 GB/T 14642-1993 Industrial circulating cooling water and boiler waterdetermination of fluorine Choride phosphate Nitrite nitrate and sulfate--Ion chromatography
