GB/T 6912.1-1986
Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates (English Version)
- Standard No.
- GB/T 6912.1-1986
- Language
- Chinese, Available in English version
- Release Date
- 1986
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2007-02
- Replace By
- GB/T 6912.1-2006
- Latest
- GB/T 6912.1-2006
- Scope
- This standard is applicable to the control analysis of raw water, boiler water and cooling water.
GB/T 6912.1-1986 history
- 2006 GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling. Determination of nitrates and nitrites. Part 1: Ultraviolet spectrophotometry for nitrates
- 1986 GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates
GB/T 6912.1-1986 -All Parts
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling. Determination of nitrates and nitrites. Part 1: Ultraviolet spectrophotometry for nitrates
GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
GB/T 6912.3-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Alpha-naphthylamine hydrochloride photometric method