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White Vitriol: Zinc Sulfate from Zinc and Dilute Acid, Ure 1839
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Charlie

14. Ukwakira 2026DE
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White Vitriol: Zinc Sulfate from Zinc and Dilute Acid, Ure 1839

Zinc sulfate, white vitriol, is made most readily by dissolving zinc in dilute sulfuric acid, then evaporating and crystallising the solution (Ure, 1839). It was used in drying oils for varnish and in calico printers' resist pastes. Hydrogen comes off while the zinc dissolves: keep flames away. The picture: our diagram, zinc dissolving in acid and the crystals in the dish.
Hagati
Two days

Amabwiriza

1

Granulate the zinc

Melt the zinc in a crucible and pour it in a thin stream into a bucket of water so it sets as small grains, which dissolve faster.

Ibikoresho by'iyi ntambwe:

Ikibumbe cya zenkeIkibumbe cya zenke50 g

Ibikoresho bikenewe:

Ikirahure cy'Ibumba Rirwanya UmuriroIkirahure cy'Ibumba Rirwanya Umuriro
Uruganda rw'umucuziUruganda rw'umucuzi
Amakoro y'Icyombo GishongeshaAmakoro y'Icyombo Gishongesha
IndoboIndobo
Amadarubindi yo Kwirinda IbinyabutabireAmadarubindi yo Kwirinda Ibinyabutabire
Uturindantoki tw'ikawusuUturindantoki tw'ikawusu
2

Dissolve

Put the grains in a beaker and add dilute sulfuric acid a little at a time, outdoors and away from flames, until the fizzing stops with a little zinc still left.

Ibikoresho by'iyi ntambwe:

Aside ya sulifuriki yorohejeAside ya sulifuriki yoroheje0.8 litiro

Ibikoresho bikenewe:

Igikombe cya BorosilikateIgikombe cya Borosilikate
Akati k'Ikirahure ko KuvangaAkati k'Ikirahure ko Kuvanga
Umunzani w'ibiroUmunzani w'ibiro
Amadarubindi yo Kwirinda IbinyabutabireAmadarubindi yo Kwirinda Ibinyabutabire
Uturindantoki tw'ikawusuUturindantoki tw'ikawusu
3

Filter

Pour the clear solution off the leftover zinc and filter it.

Ibikoresho bikenewe:

Akayunguruzo k'Ikirahure Gafite UmugoziAkayunguruzo k'Ikirahure Gafite Umugozi
Urupapuro rwo KuyungururaUrupapuro rwo Kuyungurura
Igikombe cya BorosilikateIgikombe cya Borosilikate
Amadarubindi yo Kwirinda IbinyabutabireAmadarubindi yo Kwirinda Ibinyabutabire
Uturindantoki tw'ikawusuUturindantoki tw'ikawusu
4

Evaporate and crystallise

Evaporate it in a dish on the sand bath until a skin forms, then let it cool slowly. Drain the crystals, dry them on filter paper and keep them in a closed jar.

Ibikoresho bikenewe:

Isahani yo kumishaIsahani yo kumisha
Isahani y'umucangaIsahani y'umucanga
Urupapuro rwo KuyungururaUrupapuro rwo Kuyungurura
Icupa ry'IkirahureIcupa ry'Ikirahure
Amadarubindi yo Kwirinda IbinyabutabireAmadarubindi yo Kwirinda Ibinyabutabire
Uturindantoki tw'ikawusuUturindantoki tw'ikawusu
5

Yield

Gupakira ikaye ya Jupyter…

Ibikoresho

2

Ibikoresho bikenewe

14

Iki gishushanyo gikora

Thumbnail
Agateganyo

Sulfate ya zinc

Free

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Izi blueprint zisangira ubumenyi — uburyo, ibikoresho cyangwa amahame

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