Brass PEO tretmant.pptx anhi or kya add lkaru

brasss PEO treatment

1. DC power supply + _ electrolyte Sample

2. Electrolyte solution preparation Take 1.5 gm. Tartaric acid[1 M] + 2.5 gm EDTA and 12 ml ammonia[till desire pH] in 100 ml water. And mix it. Container volume: 168.99 cm 3 ~Sample volume: 14.54 cm 3

3. Before treatment

4. After treatment 1 M tartaric acid , pH=7.5

5. Before treatment 2 M tartaric acid , pH=9

6. After treatment 2 M tartaric acid , pH=9

7. Before treatment 2 M tartaric acid , pH=9.5

8. After treatment 2 M tartaric acid , pH=9.5

9. Before treatment After treatment

10. Before treatment After treatment