The Year-book for Colorists and Dyers, Volume 81906 - Dyes and dyeing |
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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
It has been ascertained that these reactions can be satisfactorily performed upon the wool or silk fibre if sodium hydrosulphite is used as the reducing agent ...
It has been ascertained that these reactions can be satisfactorily performed upon the wool or silk fibre if sodium hydrosulphite is used as the reducing agent ...
Page 50
... but is given in a few instances ( see Table II . ) in order to illustrate the general method . For additional confirmation it is well to compare the sample both as to shade and reactions with a dyed pattern of the ...
... but is given in a few instances ( see Table II . ) in order to illustrate the general method . For additional confirmation it is well to compare the sample both as to shade and reactions with a dyed pattern of the ...
Page 52
The reactions are performed in test - tubes with pieces of the material about in . to 1 in . square , which are covered with about 1 in . to 1 } in . of the reagent . The tests should be carried out exactly as described .
The reactions are performed in test - tubes with pieces of the material about in . to 1 in . square , which are covered with about 1 in . to 1 } in . of the reagent . The tests should be carried out exactly as described .
Page 53
The reaction is accelerated by exposing the pattern to ammonia ... The reactions given in the annexed analytical tables were mostly ascertained upon the wool fibre , but from a number of tests that were also conducted for comparison ...
The reaction is accelerated by exposing the pattern to ammonia ... The reactions given in the annexed analytical tables were mostly ascertained upon the wool fibre , but from a number of tests that were also conducted for comparison ...
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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