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(1) |
base on ampere-minute calculation ( just for reference) |
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record the current (ampere) & plating time (minute) used for every application.
Calculate according to formula Ampere X Minute (Am)
Every 250Am required
one gram Rhodium replenishment (20ml RD-A1) |
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(2) |
Analyze Rhodium contain regularly and replenish accordingly. |
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Note: |
Ampere-minute calculation method is only a rough estimation. Variation of replenishment is due to extra loss due to drag-out loss and variation of cathode efficiency.
Keep the Rhodium content within 10% range and replenish acid by AR grade material only. |