化學(xué)配方數(shù)據(jù)庫(kù)
| 配方類(lèi)型: |
METALS AND TREATMENTS |
| 配方說(shuō)明: |
Electropolishing Molybdenum and Tungsten |
| 配方組成: |
50-70 volts, Temp. below 75F. Sulfuric acid/2 gal 2. Sulfuric acid/5% Methanol/15 gal Hydrofluoric acid/1.25% 1. Hydrochloric acid/5 gal The metal is rinsed in methanol, after electropolishing and prior to water rinsing to avoid attack. For tungsten Caustic soda/10% Water/90% Methanol/93.75% 6 volts, 70F. 12 volts, 120F |
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