Table 1. Inorganic Components, TOC, and Osmotic Pressure of 1st and 2nd Gen Plating Electrolyte.
1st gen electrolyte | 2nd gen electrolyte | |||
---|---|---|---|---|
range (g/L) | optimum (g/L) | range (g/L) | optimum (g/L) | |
TOC | 6.9–10.3 | 8.6 | 4.3–6.5 | 5.4 |
chromiuma | 8–12 | 10 | 6–9 | 7.5 |
boric acida | 80–110 | 90 | 80–100 | 90 |
sulfatea | 80–150 | 100 | 80–150b | 115 |
osmotic pressure | 78 bar23 | ∼118 bar |
Supplier recommendations.
BIA uses higher sulfate content of 150–170 g/L.