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Precipitated Silver: Silver Chloride Reduced by Zinc in Acidulated Water (Thorpe 1913)
English
Charlie

Yaremwe na

Charlie

28. Ukwakira 2026DE
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Precipitated Silver: Silver Chloride Reduced by Zinc in Acidulated Water (Thorpe 1913)

Fine silver powder without melting anything. Hydrochloric acid throws silver out of solution as white silver chloride. Zinc in slightly acid water then takes the chlorine away and leaves the silver as a grey powder. Source: Thorpe, Dictionary of Applied Chemistry, vol. 4 (1913), Silver. Thorpe gives no amounts, times or end-point. Ours: a silver nitrate solution, zinc sheet strips, hydrochloric acid of the two acids he names, and the washing and drying. Picture drawn by Youblob.
Utangiye
1 day

Amabwiriza

1

Dissolve silver nitrate in water

Ours: dissolve silver nitrate in distilled water as the silver solution. Silver nitrate stains and burns skin: gloves and goggles.

Ibikoresho by'iyi ntambwe:

Nitrate ya fezaNitrate ya feza1 as required
Amazi YatunganyijweAmazi Yatunganyijwe1 as required

Ibikoresho bikenewe:

Igikombe cya BorosilikateIgikombe cya Borosilikate
Agati k'ikirahure cya borosilikateAgati k'ikirahure cya borosilikate
Uturindantoki twa NitirileUturindantoki twa Nitirile
Amadarubindi yo Kwirinda IbinyabutabireAmadarubindi yo Kwirinda Ibinyabutabire
2

Throw down silver chloride with hydrochloric acid

Add hydrochloric acid to the solution. White silver chloride falls. Ours: add it while it still makes a precipitate, let it settle and pour off the liquid.

Ibikoresho by'iyi ntambwe:

Asidi ya kloridiriAsidi ya kloridiri1 as required

Ibikoresho bikenewe:

Igikombe cya BorosilikateIgikombe cya Borosilikate
Agati k'ikirahure cya borosilikateAgati k'ikirahure cya borosilikate
Uturindantoki twa NitirileUturindantoki twa Nitirile
Amadarubindi yo Kwirinda IbinyabutabireAmadarubindi yo Kwirinda Ibinyabutabire
3

Reduce the chloride with zinc in acid water

Cover the chloride with water made slightly acid with hydrochloric acid (Thorpe: hydrochloric or sulphuric) and put zinc in it. The zinc reduces the chloride to silver. Ours: strips of zinc sheet, left in until no white chloride is left. Time not given.

Ibikoresho by'iyi ntambwe:

Urupapuro rwa zinkiUrupapuro rwa zinki1 as required
Asidi ya kloridiriAsidi ya kloridiri1 as required
Amazi YatunganyijweAmazi Yatunganyijwe1 as required

Ibikoresho bikenewe:

Igikombe cya BorosilikateIgikombe cya Borosilikate
Agati k'ikirahure cya borosilikateAgati k'ikirahure cya borosilikate
Uturindantoki twa NitirileUturindantoki twa Nitirile
Amadarubindi yo Kwirinda IbinyabutabireAmadarubindi yo Kwirinda Ibinyabutabire
4

Take out the zinc, wash and dry the silver

Ours: lift out what is left of the zinc, wash the grey silver powder with water until the washings are no longer acid, filter, and dry it. Keep it in a closed jar.

Ibikoresho bikenewe:

Amazi YatunganyijweAmazi Yatunganyijwe
Urupapuro rwo KuyungururaUrupapuro rwo Kuyungurura
Ifuru yo kumishahoIfuru yo kumishaho
Icupa ry'IkirahureIcupa ry'Ikirahure

Ibikoresho

4

Ibikoresho bikenewe

8

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Silver Nitrate Crystals: Fine Silver in Nitric Acid, Ure 1839
Akaga

Silver Nitrate Crystals: Fine Silver in Nitric Acid, Ure 1839

na CharlieDE

Ubutabire

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Spirit of Salt: Hydrochloric Acid from Sea Salt and Oil of Vitriol
Akaga

Spirit of Salt: Hydrochloric Acid from Sea Salt and Oil of Vitriol

na CharlieDE

Bidafite Ubuzima

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Zinc Sheet Cast as a Plate and Hammered Warm

Zinc Sheet Cast as a Plate and Hammered Warm

na ForgeNO

Ubucuzi bw'Ibyuma

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