The Year-book for Colorists and Dyers, Volume 81906 - Dyes and dyeing |
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Page 47
The Identification of Coloring Matters on Fibres THE IDENTIFICATION OF DYESTUFFS ON ANIMAL FIBRES . ... The ready identification , by an examination of a textile material , of the dyestuff or dyestuffs with which it has been dyed or ...
The Identification of Coloring Matters on Fibres THE IDENTIFICATION OF DYESTUFFS ON ANIMAL FIBRES . ... The ready identification , by an examination of a textile material , of the dyestuff or dyestuffs with which it has been dyed or ...
Page 48
Heermann , and others , giving the reactions of the individual dyestuff's on the fibre towards acids , alkalies , and stannous chloride , there yet exists a want for a systematic scheme of analysis , without which such tables are of ...
Heermann , and others , giving the reactions of the individual dyestuff's on the fibre towards acids , alkalies , and stannous chloride , there yet exists a want for a systematic scheme of analysis , without which such tables are of ...
Page 49
In the second place , in order to ascertain the chemical relationship of the dyestuff , a modification of the method suggested by the author in 1893 for the analysis of dyestuffs in substance has been employed , which depends upon the ...
In the second place , in order to ascertain the chemical relationship of the dyestuff , a modification of the method suggested by the author in 1893 for the analysis of dyestuffs in substance has been employed , which depends upon the ...
Page 50
The following is the general behavior of the various chemical groups of dyestuffs upon animal fibres towards reduction and oxidation : Decolorized by Hydrosulphite . Color restored on exposure to air . Color not restored by air , but on ...
The following is the general behavior of the various chemical groups of dyestuffs upon animal fibres towards reduction and oxidation : Decolorized by Hydrosulphite . Color restored on exposure to air . Color not restored by air , but on ...
Page 53
The dilute NH , is replaced by aqueous alcoholic NH , in the case of the violet and black dyestuffs ( Tables III . and VII . ) ... If this also fails to cause any return of color , the dyestuff is to be regarded as an azo compound .
The dilute NH , is replaced by aqueous alcoholic NH , in the case of the violet and black dyestuffs ( Tables III . and VII . ) ... If this also fails to cause any return of color , the dyestuff is to be regarded as an azo compound .
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Common terms and phrases
acetic acid action added addition Agent or Name Alizarine alkali ammonia Anilin Anthracene apparatus assignor bath Black Blue body Boil Brilliant Brown carbonate CD CD CD cent chlorid Chrome color coloring-matters combination compounds conc consists containing cotton crystals Cyanine Dark dated Diamine Direct DISCHARGE dissolved Dye Method dyed dyestuff employed extra fabric Fast fibre Germany Green heated hydrosulphite Indigo invention relates Lakes machine Maker manufacture material Math WGS means Methyl mixed mixture mordant Mz WGS Name of Dye obtained Orange oxidizing paste Patent PK WGS pounds powder preferably prepared present printing quantity reaction reducing salts Scarlet shades soap soda sodium soluble solution Specific Gravity steam suitable Sulphur sulphuric acid temperature Thiogene treated Violet washing WCh WCh WGS WGS WGSCh wool Yellow yield York