1.基材金屬的作用(Effect of bases Metals)

2.pH的影響(Effects of pH)

3.六價鉻的濃度(Hexavalent Chromium Concentration)

4.活性度(Activators)

5.處理時間(Treatment Time)

6.溶液溫度(Solution Temperature)

7.溶液攪拌(Solution Agitation)

8.溶液雜質(Solution Contamination)

9.水洗(Rinsing)

10.干燥(Drying)