DL 422.4-1991
Determination of sulfate content in industrial hydrochloric acid - Barium chromate spectrophotometric method (English Version)
- Standard No.
- DL 422.4-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Electricity
- Status
- 2015-12
- Replace By
- DL/T 422-2015
- Latest
- DL/T 422-2015
DL 422.4-1991 history
- 2015 DL/T 422-2015 Test method for HC1 used in fossil-fired power plant
- 1991 DL 422.4-1991 Determination of sulfate content in industrial hydrochloric acid - Barium chromate spectrophotometric method
DL 422.4-1991 Determination of sulfate content in industrial hydrochloric acid - Barium chromate spectrophotometric method was changed to DL/T 422-2015 Test method for HC1 used in fossil-fired power plant.
