The Year-book for Colorists and Dyers, Volume 101908 - Dyes and dyeing |
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Results 1-5 of 25
Page 49
... stripping tests ; while its chemical relationships are ascertained by its behavior on reduction and reoxidation ... stripped by acetic acid as they can from the wool fibre . Further , while in the case of wool , the leuco compounds ...
... stripping tests ; while its chemical relationships are ascertained by its behavior on reduction and reoxidation ... stripped by acetic acid as they can from the wool fibre . Further , while in the case of wool , the leuco compounds ...
Page 50
... stripping the dyestuff at the same time , the author saturated it with common salt . The basic dyestuffs are thus left on the fibre in the form of free color - bases which can then be readily stripped by boiling with dilute acetic acid ...
... stripping the dyestuff at the same time , the author saturated it with common salt . The basic dyestuffs are thus left on the fibre in the form of free color - bases which can then be readily stripped by boiling with dilute acetic acid ...
Page 51
... stripped , to add to the acid extract a solution of tannin , when a colored precipitate will result if a basic dyestuff is present . As already mentioned , many basic dyestuffs fixed upon a tannin mordant do not give the leuco compound ...
... stripped , to add to the acid extract a solution of tannin , when a colored precipitate will result if a basic dyestuff is present . As already mentioned , many basic dyestuffs fixed upon a tannin mordant do not give the leuco compound ...
Page 55
... stripping is judged by comparing the depth of shade remaining against that of the original pattern ; the color of the stripping solution is misleading , and can scarcely be relied upon as a guide . In testing the colors of calico prints ...
... stripping is judged by comparing the depth of shade remaining against that of the original pattern ; the color of the stripping solution is misleading , and can scarcely be relied upon as a guide . In testing the colors of calico prints ...
Page 56
... STRIPPING TEST FOR ACID COLORS . A few salt dyestuffs are partially stripped by weak ammonia , and may thus give rise to the impression that they are acid colors . To avoid this error it is advisable to add a small piece of white cotton ...
... STRIPPING TEST FOR ACID COLORS . A few salt dyestuffs are partially stripped by weak ammonia , and may thus give rise to the impression that they are acid colors . To avoid this error it is advisable to add a small piece of white cotton ...
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Common terms and phrases
acetic Acid Violet Agent or Maker Agent or Name Alizarine Black Alizarine Blue Alizarine Red alkali ammonia Anilin Anthracene anthraquinone assignor AZO DYE bath bleaching Blue Black Blue G Boil Bordeaux Brilliant carbonate CD Direct cellulose cent Chemical chloride Chrome coloring matter compounds conc cotton CT Mz dated Decolorized diazo Dye Method dyestuff extra Fast Blue fibre formic acid Germany heating hydrochloric acid hydrosulphite Indigo invention relates inventor Klp CD Klp WGS liquid manufacture Math CD Diamine Math WGS meta-aminophenylglycin Methyl Violet Methylene Methylene Blue mordant Mz CD Dianil Mz Lakes Mz WGS Name of Dye Naphthol obtained Orange Orange G Oxazine oxide PK CD PK WGS Ponceau powder production Purpurine Safranine Scarlet shades soda sodium soluble solution specific gravity SS WGS suitable sulphide sulphonic sulphuric acid tannin Thiazine WGS Acid WGS Fast WGS Mz WGS WGS WGSCh wool Yellow G