T/ZJGFTR 002-2021
Recycled tin stripping liquid product standard (English Version)
- Standard No.
- T/ZJGFTR 002-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- Group Standards of the People's Republic of China
- Latest
- T/ZJGFTR 002-2021
- Scope
- Concentrate the etching tin stripping waste liquid under negative pressure, and recover the dilute nitric acid after three-stage absorption of the distillate. Mix the dilute nitric acid with an appropriate amount of purchased 65% nitric acid to prepare a certain equivalent of nitric acid solution, and add a small amount of ferric nitrate or nitric acid. Iron solution, additives, etc., stir and mix evenly to prepare a regenerated tin stripping solution.
T/ZJGFTR 002-2021 history
- 2021 T/ZJGFTR 002-2021 Recycled tin stripping liquid product standard
