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| This additive is a powdery solid that can stabilize Sn2+ion efficiently and improve color-uniformity and reproducibility. This additive should be stored in a place avoiding of light and the storage time is in one year. | ||
| 1. Bath Composition: | ||
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BY-C11C SnSO4 H2SO4 Deionized Water |
10 g/L~15 g/L 15 g/L~20 g/L 8 g/L~15 g/L balance |
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| 2. Operational Parameters: | ||
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Voltage Temperature pH value Time |
15 V~18 V 20 ℃±5 ℃ 0.8~1.0 1 min～15 min |
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| 3. Bath Maintenance: | ||
|
(1)Analyze the contents of free H2SO4 , SnSO4 and total acid value daily, Every additional 1Kg of SnSO4 at the same time add 0.5kg~1kg of BY-C11C. |
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