 The kaolin must be previously washed with 75 cc of the same liquor, which is allowed to stand 15 minutes and then poured off. Paper 605 has a special absorption for a yellow colouring matter often contained in sulphited extracts.  Collegium ... - Page 2511907Full view - About this book
 | Samuel Russell Trotman - Chemistry, Technical - 1908 - 318 pages
...mgrms. The kaolin must be previously washed with 75 cc of the same liquor, which is allowed to stand for 15 minutes and then poured off. Paper 605 has a special...methods of filtration, and report at an early date.) and not granular texture, thoroughly delimed, preferably with hydroN chloric acid, and not requiring... | |
 | Samuel Russell Trotman - Chemistry, Technical - 1908 - 390 pages
...mgrms. The kaolin must be previously washed with 75 cc of the same liquor, which is allowed to stand for 15 minutes and then poured off. Paper 605 has a special...matter often contained in sulphited extracts. (It te proposed that the Commission should be asked to determine average corrections for the more important... | |
 | Hugh Garner Bennett - Leather - 1909 - 452 pages
...being rejected, to about 5 mgr. per 50 cc. and where 2 gms. of kaolin are employed in addition, to 7i mgr. The kaolin must be previously washed with 75...colouring matter often contained in sulphited extracts.) 7. IMannisatioH. — Hide powder shall be of woolly texture, thoroughly delimed, preferably with hydrochloric... | |
 | Hugh Garner Bennett - Leather - 1909 - 452 pages
...mgr. The kaolin must be previously washed with 75 cc. of the same liquor, which is allowed to stand 1d minutes and then poured off. Paper 605 has a special...colouring matter often contained in sulphited extracts.) 7. Detan nisation. — Hide powder shall be of woolly texture, thoroughly delimed, preferably with... | |
 | Alfred Henry Allen - 1911 - 732 pages
...to about 5 milligrm. per 50 cc and when 3 grm. of kaolin are employed in addition, to 7.5 milligrm. The kaolin must be previously washed with 75 cc of...colouring matter often contained in sulphited extracts. which the required calculated quantity of standard alkali or acid has been added. The hide powder must... | |
 | Alfred Henry Allen - Chemistry, Analytic - 1911 - 730 pages
...to about 5 milligrm. per 50 cc and when 2 grm. of kaolin are employed in addition, to 7.5 milligrm. The kaolin must be previously washed with 75 cc of...colouring matter often contained in sulphited extracts. which the required calculated quantity of standard alkali or acid has been added. The hide powder must... | |
 | Alfred Henry Allen - Analytical chemistry - 1911 - 730 pages
...previously washed with 75 cc of the same liquor, which is allowed to stand 15 minutes and then [toured off. Paper 605 has a special absorption for a yellow...colouring matter often contained in sulphited extracts. which the required calculated quantity of standard alkali or acid has been added. The hide powder must... | |
 | Thomas Edward Thorpe - Chemistry - 1912 - 822 pages
...washed with 75 cc of the same liquor, which is allowed to stand 15 minutes and then poured off. Paper I 605 has a special absorption for a yellow colouring matter often contained in sulphited extracte.) The iota? solubles must be determined by the evaporation of a measured quantity of the solution... | |
 | Arthur Harvey - Leather - 1920 - 226 pages
...gms. of kaolin are employed in addition to 7^ mgrs. The kaolin must be previously washed with 75 c.cs. of the same liquor, which is allowed to stand 15 minutes...colouring matter often contained in sulphited extracts.) Paragraph 7. Hide powder shall be of woolly texture, thoroughly delimed, preferably with hydrochloric... | |
 | Paul Dumesny, J. Noyer - Wood - 1921 - 380 pages
...The kaolin must be previously washed with 75 cc of the same liquor, which is allowed to stand fifteen minutes and then poured off. Paper 605 has a special...colouring matter often contained in sulphited extracts.) Paragraph 1. — Hide-powder shall be of a woolly (fibrous) 1 It was important to clearly define the... | |
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