Ubufatanye
UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Hard Soap Boiled from Tallow and Soda Lye, Framed and Wire-Cut, Ure 1839
Hard soap is tallow boiled with caustic soda lye; potash would give soft soap. Andrew Ure (1839): run the lye through soda and quicklime, boil the tallow with weak lye, draw the spent lye off and boil again with stronger lye day by day, then ladle the soap into a frame and cut it with a brass wire into bars. Caustic lye burns skin and eyes: goggles and gloves.
The picture: a bar of hard soap.
Hagati
A week
Amabwiriza
1
1
Run the lye
Run the lye
Fit a barrel with a perforated false bottom covered by cloth and a tap beneath, like Ure's vats. Put in a layer of quicklime, then alternate layers of ground soda ash and lime. Pour on water and draw off the clear caustic lye. Make some weak (hydrometer about 1.040) and some strong (up to 1.160).
Ibikoresho by'iyi ntambwe:
Karubonate ya Sodiyumu (ivu rya soda)2 kgIbikoresho bikenewe:
Ishwagara idazimye
Igitebo cy'igiti
Umwenda (wo Kuyungurura)
Amazi
Igipima ubwuzuzanye bw'amazi
Ibakuli ry'icyuma
Amadarubindi yo Kwirinda Ibinyabutabire
Uturindantoki tw'ikawusu2
2
First boils
First boils
Melt the tallow in the cauldron, add weak lye and boil gently about 4 hours, stirring. Test on a knife blade: when the lye runs off the soapy paste at once, it has taken. Let it stand an hour and ladle off the spent lye beneath.
Ibikoresho by'iyi ntambwe:
Ibinure by'Inyamaswa5 kgIbikoresho bikenewe:
Inkono Nini
Inkwi
Ikiyiko kinini cy'igiti
Icyuma cyo mu gikoni
Ikiyiko kinini
Umunzani w'ibiroAmadarubindi yo Kwirinda IbinyabutabireUturindantoki tw'ikawusu3
3
Stronger lyes
Stronger lyes
Repeat with fresh lye, a little stronger each day, drawing the spent lye off each time, until the paste stays firm on cooling.
Ibikoresho bikenewe:
Inkono NiniInkwiIkiyiko kinini cy'igitiIkiyiko kininiIgipima ubwuzuzanye bw'amaziAmadarubindi yo Kwirinda IbinyabutabireUturindantoki tw'ikawusu4
4
Frame and cut
Frame and cut
Skim the pan and ladle the soap into a wooden frame. After two days take the frame off, cut the block into slabs with a brass wire, then the slabs into bars, and stand them to harden.
Ibikoresho bikenewe:
Ikiyiko kinini
Urugero rw'isabune
Umuyoboro muto w'umuringaIcyuma cyo mu gikoniUturindantoki tw'ikawusu5
5
Soap from your tallow
Soap from your tallow
Gupakira ikaye ya Jupyter…
Ibikoresho
2- Umwanya
- Umwanya
Ibikoresho bikenewe
16- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
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