Purifying the Leachateadd small amount of sulphuric acid to the AR sol terjemahan - Purifying the Leachateadd small amount of sulphuric acid to the AR sol Bahasa Indonesia Bagaimana mengatakan

Purifying the Leachateadd small amo

Purifying the Leachate

add small amount of sulphuric acid to the AR solution to remove any lead trace
boil down slowly on hotplate (without spattering)
add some Hcl → if brown fumes then still free nitric acid/oxide still present
boil down again and re-add Hcl and repeat
repeat until no more smoke
dilute remaining 'syrup' with ¾ times voume with hot water and leave to stand for at least one day so that solution separates and becomes clear (uncontaminated)
filter into container, clean beaker and pour back in
continue to precipitation of Gold with ferrous sulphate (see above)

NB. if the bubbling reaction continues during the precipitation of Gold with ferrous sulphate process keep adding copperas to the solution until stops bubbling – then add copperas to make the brown cloud and follow rest of process
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Hasil (Bahasa Indonesia) 1: [Salinan]
Disalin!
Purifying the Leachateadd small amount of sulphuric acid to the AR solution to remove any lead traceboil down slowly on hotplate (without spattering)add some Hcl → if brown fumes then still free nitric acid/oxide still presentboil down again and re-add Hcl and repeatrepeat until no more smokedilute remaining 'syrup' with ¾ times voume with hot water and leave to stand for at least one day so that solution separates and becomes clear (uncontaminated)filter into container, clean beaker and pour back incontinue to precipitation of Gold with ferrous sulphate (see above)NB. if the bubbling reaction continues during the precipitation of Gold with ferrous sulphate process keep adding copperas to the solution until stops bubbling – then add copperas to make the brown cloud and follow rest of process
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Hasil (Bahasa Indonesia) 2:[Salinan]
Disalin!
Memurnikan Lindi menambahkan sejumlah kecil asam sulfat untuk solusi AR untuk menghilangkan jejak memimpin mendidih perlahan pada hotplate (tanpa percikan) menambahkan beberapa Hcl → jika asap coklat itu masih bebas asam nitrat / oksida masih hadir mendidih lagi dan menambahkan kembali Hcl dan ulangi ulangi sampai tidak ada lagi asap encer tersisa 'sirup' dengan ¾ kali voume dengan air panas dan biarkan selama setidaknya satu hari sehingga solusi yang memisahkan dan menjadi jelas (tidak terkontaminasi) menyaring ke dalam wadah, gelas bersih dan tuangkan kembali melanjutkan untuk pengendapan emas dengan besi sulfat (lihat di atas) NB. jika reaksi menggelegak terus selama pengendapan emas dengan besi sulfat proses tetap menambahkan copperas untuk solusi sampai berhenti menggelegak - kemudian tambahkan copperas untuk membuat awan coklat dan mengikuti sisa proses










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