The Year-book for Colorists and Dyers, Volume 81906 - Dyes and dyeing |
From inside the book
Results 1-5 of 52
Page 47
The ready identification , by an examination of a textile material , of the dyestuff or dyestuffs with which it has been dyed or printed , is a problem which presents at the present day great difficulties . Twenty or thirty years ago ...
The ready identification , by an examination of a textile material , of the dyestuff or dyestuffs with which it has been dyed or printed , is a problem which presents at the present day great difficulties . Twenty or thirty years ago ...
Page 48
Although for the present moment the identification of mixtures will be left out of consideration , which is often a most difficult and intricate problem , and this limited to the consideration of single dyestuff's or mixtures of ...
Although for the present moment the identification of mixtures will be left out of consideration , which is often a most difficult and intricate problem , and this limited to the consideration of single dyestuff's or mixtures of ...
Page 53
This is due to the condensation of the leuco - safranine with the formaldehyde present in the hydrosulphite NF . The reactions given in the annexed analytical tables were mostly ascertained upon the wool fibre , but from a number of ...
This is due to the condensation of the leuco - safranine with the formaldehyde present in the hydrosulphite NF . The reactions given in the annexed analytical tables were mostly ascertained upon the wool fibre , but from a number of ...
Page 57
Al or Cr are present in ash . Boiling with dilute Ammonia renders the color much bluer . No. 5 Soluble Red Woods . Much of the color is stripped — Basic dyestuff . 57 Identification of Coloring Matters.
Al or Cr are present in ash . Boiling with dilute Ammonia renders the color much bluer . No. 5 Soluble Red Woods . Much of the color is stripped — Basic dyestuff . 57 Identification of Coloring Matters.
Page 63
Boil twice for one minute with 5 per cent . acetic acid . A. Much color is stripped . Boil with dilute alcohol twice for one minute . Unaffected . Al or Cr or both are present in ash . Blue is changed to brick red on spotting with HCL .
Boil twice for one minute with 5 per cent . acetic acid . A. Much color is stripped . Boil with dilute alcohol twice for one minute . Unaffected . Al or Cr or both are present in ash . Blue is changed to brick red on spotting with HCL .
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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