FoodNet

A manual of home-making

1919

Page 158

Presented as published in 1919. Historical recipes may not meet modern food-safety standards. Cook from the modern interpretation, not the original instructions.
ThrtH^' types of laundry bluing are in common use, namely, ultramarine^ Fru:^«iian, and aniline blues. Since they differ chemically, spotii due to them retjuire different treatinent. It is not difficult to tlctcrminc to whit-h type a lilue helonps, and methods for doing this are suggested in the following param-aphs : The comniercial blues which come in balls or blocks with directions to i^Tap them in a piece of flannel or other cloth and shake them about in the water to l>e blued are genendly ultramarine. To remove such staina, the following prrnx-dure may he folio wt^: L Cold water, ♦Soak fresh stains or rinse them in an abundance of cold water. 2. Stiap and water. Wash the stains as in ordinary'' laundering, with nn abundance of s<mp, and rub thoronghly. This treiitmeni will remove flt4iins which are not removed by soaking. Liquid bluing, which is used connnonly in the home laundr>% usually is tt PnuHsian blu(\ It is j^reeninh-blue in c<*lor and 8nlublc in watiT. ChHhcs are occasionally overbhied with Prussian, bs with other bluings, or may beci>me streaketl with the l>luing if it has not liecn mixed evenly with the wat-er* To overcome this condition the following treatment is recom- mended : L Cold water. Rinse the stains in an abundance of cold water. This is effective only for very fresh stains. 2, Boiling water. Boil the stained material for about half an hour, or until the stains disappear. Prussian blue is sometimes the cause of yellow diseolorations or spot-8 upon wliite clothes. If the clothes are not rinsed free from strong soap, washing-sfjda, or other alkali used in \va.shing, before tliey are Idued with Prussian blue, the alkali remaining on the clothea precipitates ferric hy- droxide from the bluing whieh i* dop>sittMl upon the clothes. This is set by subsequent drying and ironing, and is identical, chemically, with iron- rust. For methotls of removing these stains, see ** iron rust " staina, page 297. The aniline or coal-tar blues probably are iise*i less commonly in the household than the other blues, but are employed frequently in commercial laundriei?. They are sfild usually in t!m form of small crv'stals or of a powder having a dark blue or iridescent color and are 8iihible in water. To remove aniline blues, one of the following methods should be used: MANUAL OF HOME-MAKING \. Cold water. *Soak the stained material for sovpiuI houni or ovemiglit. 2, Ikiiling water. Boll the staiDs for 15 minutes or until they disappear* StAins due to butter ore esBentiiilly grease spots and should receive the same treatment. Candle wax (colored), H Thi^e stains coiusist of paraffin in whirh an organic dye is dissolved lt*'m<iv«? the paraffin as completvly as poHniblp (page IMM)}, and then dissolve the ttjlfiring matter rrmaining in the fiber by 8fx>nging it with alcohol. If a aligiit grease spot still remains, remove it by gix>nging with soap and water. h Chocolate and cocoa. ^1 For removing chocolate and cocoa stains the following agents are satis- factory: L Soap and hoi water (ordinary laundering; see page 284). 2. liorax and cold water. Sprinkle the stains with borax and soak them in f^ild water, then rinse them thoroughly in boiling water. This method in applicatjle oidy t*) stains on washable materials, 3. Lukewarm water. For stains on delicate fabrics, sponge with luke* wann watex. Coffee.