Purification of Platinum/Palladium

Purification of Platinum/Palladium from: Platinum

Completely dissolve the scrap metal in Aqua Regia (AR)
Filter the insoluable Silver Chloride (AgCl) out of the AR.
Add Iron Sulfate or Gold Sulfite to the AR, in order to precipitate gold.
Filter out the precipitate.
Add Zinc powder to the remaining AR, in order to precipitate all other metals.
Filter out the Zinc precipitate (which contains Cu and Platinum Group Metals (PGMs)) and discard the AR.
Wash the precipitate thoroughly.
Add the Zn/Cu/PGM precipitate to a mixture of dilute sulfiric acid and hydrogen peroxide. This will dissolve the Zn and Cu, but leave the PGMs on the bottom.
Filter out the PGM and boil it in Nitric Acid, in order to remove Palladium
Filter off the nitric and use zinc and sulfiric acid to reclaim the Palladium
Boil the remaining PGMs of Pt, Rd, and Ir in AR acid. Rd and Ir sink, Pt dissolves in the AR
Filter out the Rd and Ir
Add Zinc to the AR that only has Pt left in it.
Filter out the precipitate.
Wash the zinc/platinum precipitate in sulfiric acid to remove Zn.
Melt the final platinum powder with an oxy torch

Purification of Platinum/Palladium from: Platinum

Completely dissolve the scrap metal in Aqua Regia (AR)
Filter the insoluable Silver Chloride (AgCl) out of the AR.
Add Iron Sulfate or Gold Sulfite to the AR, in order to precipitate gold.
Filter out the precipitate.
Add Zinc powder to the remaining AR, in order to precipitate all other metals.
Filter out the Zinc precipitate (which contains Cu and Platinum Group Metals (PGMs)) and discard the AR.
Wash the precipitate thoroughly.
Add the Zn/Cu/PGM precipitate to a mixture of dilute sulfiric acid and hydrogen peroxide. This will dissolve the Zn and Cu, but leave the PGMs on the bottom.
Filter out the PGM and boil it in Nitric Acid, in order to remove Palladium
Filter off the nitric and use zinc and sulfiric acid to reclaim the Palladium
Boil the remaining PGMs of Pt, Rd, and Ir in AR acid. Rd and Ir sink, Pt dissolves in the AR
Filter out the Rd and Ir
Add Zinc to the AR that only has Pt left in it.
Filter out the precipitate.
Wash the zinc/platinum precipitate in sulfiric acid to remove Zn.
Melt the final platinum powder with an oxy torch

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Hasil (Bahasa Indonesia) 1: [Salinan]

Disalin!

Purification of Platinum/Palladium from: PlatinumCompletely dissolve the scrap metal in Aqua Regia (AR)Filter the insoluable Silver Chloride (AgCl) out of the AR.Add Iron Sulfate or Gold Sulfite to the AR, in order to precipitate gold.Filter out the precipitate.Add Zinc powder to the remaining AR, in order to precipitate all other metals.Filter out the Zinc precipitate (which contains Cu and Platinum Group Metals (PGMs)) and discard the AR.Wash the precipitate thoroughly.Add the Zn/Cu/PGM precipitate to a mixture of dilute sulfiric acid and hydrogen peroxide. This will dissolve the Zn and Cu, but leave the PGMs on the bottom.Filter out the PGM and boil it in Nitric Acid, in order to remove PalladiumFilter off the nitric and use zinc and sulfiric acid to reclaim the PalladiumBoil the remaining PGMs of Pt, Rd, and Ir in AR acid. Rd and Ir sink, Pt dissolves in the ARFilter out the Rd and IrAdd Zinc to the AR that only has Pt left in it.Filter out the precipitate.Wash the zinc/platinum precipitate in sulfiric acid to remove Zn.Melt the final platinum powder with an oxy torch

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Hasil (Bahasa Indonesia) 2:[Salinan]

Disalin!

Pemurnian Platinum / Palladium dari: Platinum Sepenuhnya membubarkan besi tua di Aqua Regia (AR) Menyaring insoluable Perak Chloride (AgCl) dari AR. Tambah Besi Sulfat atau Emas Sulfit ke AR, untuk mengendapkan emas. Menyaring endapan. Tambahkan bubuk Zinc dengan AR yang tersisa, untuk mengendapkan semua logam lainnya. Menyaring endapan Seng (yang berisi Cu dan Platinum Group Metals (PGM)) dan membuang AR. Cuci endapan secara menyeluruh. Tambahkan Zn yang / cu / PGM endapan untuk campuran encer asam sulfiric dan hidrogen peroksida. Ini akan melarutkan Zn dan Cu, tapi tinggalkan PGM di bagian bawah. Menyaring PGM dan merebusnya dalam Asam nitrat, untuk menghilangkan Palladium Filter off nitrat dan menggunakan seng dan asam sulfiric untuk merebut kembali Palladium Rebus PGM tersisa Pt, Rd, dan Ir asam AR. Rd dan Ir wastafel, Pt larut dalam AR Filter keluar Rd dan Ir Tambahkan Zinc dengan AR yang hanya memiliki Pt tersisa di dalamnya. Menyaring endapan. Cuci endapan seng / platinum dalam asam sulfiric untuk menghapus Zn. Lelehkan final bubuk platinum dengan obor oxy

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Hasil (Bahasa Indonesia) 3:[Salinan]

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