Chemical News and Journal of Industrial Science, Tom 7Chemical news office., 1863 |
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Strona 4
... arsenic acid . They produced a very brilliant dye , which is now called " magenta . " I patented the discovery , and afterwards found out that Dr. Medlock had conse - purchased Dr. Medlock's patent . previously patented the same thing ...
... arsenic acid . They produced a very brilliant dye , which is now called " magenta . " I patented the discovery , and afterwards found out that Dr. Medlock had conse - purchased Dr. Medlock's patent . previously patented the same thing ...
Strona 5
... arsenic acid until water is driven off down to the point at which it becomes dry arsenic acid . Arsenious acid will not do it ; but if we take arsenious and nitric acids , and drive off the water , we produce dry arsenic acid , which ...
... arsenic acid until water is driven off down to the point at which it becomes dry arsenic acid . Arsenious acid will not do it ; but if we take arsenious and nitric acids , and drive off the water , we produce dry arsenic acid , which ...
Strona 6
... arsenic acid or the anhydrous acid . Mr. Hindmarsh : You stopped short ; go on with the passage . - Witness reading : " Arsenic acid thus obtained is milk - white and contains no water . " That is not abso- lutely correct . It may be ...
... arsenic acid or the anhydrous acid . Mr. Hindmarsh : You stopped short ; go on with the passage . - Witness reading : " Arsenic acid thus obtained is milk - white and contains no water . " That is not abso- lutely correct . It may be ...
Strona 7
... arsenic acid nearly a year before I saw Delaire and Girard's patent . We have often sold dry arsenic acid to Dr. Medlock . I had no knowledge of Heil- man's patent until I saw it in print . When arsenic acid is made anhydrous , the ...
... arsenic acid nearly a year before I saw Delaire and Girard's patent . We have often sold dry arsenic acid to Dr. Medlock . I had no knowledge of Heil- man's patent until I saw it in print . When arsenic acid is made anhydrous , the ...
Strona 19
... arsenic acid never produces the colour . You may make it dry beforehand or afterwards . Examination continued : I agree with Mr. Nicholson that it is the dry acid per se which produces the effect ; neither the anhydrous nor the wet ...
... arsenic acid never produces the colour . You may make it dry beforehand or afterwards . Examination continued : I agree with Mr. Nicholson that it is the dry acid per se which produces the effect ; neither the anhydrous nor the wet ...
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according action added alcohol ammonia amount aniline apparatus appears application arsenic acid become bismuth bodies boiling called carbon cent CHEMICAL chemistry chloride coal colour combination communication compound considered consists containing continued copper corresponding described dissolved distillation effect employed evaporated examined experiments extract fact give given heat hydrochloric hydrogen important Improvements iron known lead less light lime liquid London manufacture manure mass material matter means metal method mineral mixed mixture nature necessary nitric Notices observed obtained operation ordinary oxide oxygen passed patent peat plants platinum portion potash practical precipitate prepared present produced proportion pure quantity reference regard remains remarkable ROYAL salt scientific separated silver Society soda soluble solution steel Street substances sufficient sulphuric acid temperature thallium tion treated tube vapour weight