Achtzehnmorgenweg 3
D-61250 Usingen
Fon: +49 - 6081 - 10 60 - 0
Fax: +49 - 6081 - 10 60 - 60
eMail: info@metakem.de
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Platinum-DNS bath
Applications and attributes
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bath for technical solutions and jewellery
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sulphuric acidic
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coatings brilliant and hard
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well adhering up to 15 microns
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pH-range 1 to 2.5, depending on substrate
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suitable to plate nickel, copper, brass, stainless steel, gold and silver
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with careful pre-treatment Ti, Nb, Ta, Mo, W to be platinised
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Platinum DNS is replenished with the starting concentrate
| Specification | ||
| Optimum | Range | |
| delivery form | DNS concentrate 50 g Pt/l | |
| concentration range | 10 g Pt / l | 6 - 15 g Pt / l |
| voltage | 2 - 3 volts | |
| temperature | 50° C | 40 - 60° C |
| agitation | 5 cm / sec | 2 - 5 cm / sec |
| pH | 1 - 2.5 depending on kind of substrates | |
| pH - adjusted | with KOH or H2SO4 | |
| current density | 0.3 - 1.5 A / dm2 | |
| anode | platinised titanium, Pt/Ti mixed oxides activated titanium, MoxTi | |
| depostition rate | 1 µ in 30 minutes at 1 A / dm2 7 - 9 mg Pt / A x min | |
| surface ratio anode / cathode | 1 | |
Please use our consult for your application.
