low level. It is suggested that enough solution be decanted, dailyorweekly, to turn a bath over every 6 to 9 months.
ANALYTICAL PROCEDURES
PROCEDURE NUMBER: AP.0528.02
PROCEDURE DESCRIPTION: Titrimetric procedure to determine the concentration of copper in an acid copper plating solution.
EQUIPMENT SETTINGS:
250 mL Erlenmeyer flask
2 mL adjustable pipette
50 mL burette
10 mL graduated cylinder
REAGENTS:
0.05 M EDTA - Weigh 18.162 g of disodium EDTA dihydrate. Dissolve in 1 liter volu