Chemical News and Journal of Industrial Science, Tomy 121-122Chemical news office., 1920 |
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... PURE REAGENTS . EDUCATIONAL ; ACCURATE ; QUICK ; ECONOMICAL . CHEMICAL PRINCIPLES FULLY EXPLAINED . Write , Head Office , 3 , Wilson Street , Middlesbrough . CAPPER PASS & SON , Lim . , BEDMINSTER smelting WORKS BRISTOL , are buyers of ...
... PURE REAGENTS . EDUCATIONAL ; ACCURATE ; QUICK ; ECONOMICAL . CHEMICAL PRINCIPLES FULLY EXPLAINED . Write , Head Office , 3 , Wilson Street , Middlesbrough . CAPPER PASS & SON , Lim . , BEDMINSTER smelting WORKS BRISTOL , are buyers of ...
Strona 4
... pure oxalic acid with pure potassium carbonate . The potas- sium bromide thus obtained was recrystallised three times , and its solution was evaporated with a small quantity of potassium dichromate and twice distilled sulphuric acid ...
... pure oxalic acid with pure potassium carbonate . The potas- sium bromide thus obtained was recrystallised three times , and its solution was evaporated with a small quantity of potassium dichromate and twice distilled sulphuric acid ...
Strona 5
... pure nitric acid , and the lead nitrate was recrystallised several times and then converted into chloride by freshly distilled pure hydrochloric acid . The lead chloride was recrystallised four times by dissolving the crystals in hot ...
... pure nitric acid , and the lead nitrate was recrystallised several times and then converted into chloride by freshly distilled pure hydrochloric acid . The lead chloride was recrystallised four times by dissolving the crystals in hot ...
Strona 16
... pure kaolin only , which , owing to the fineness of the particles , com- pletely vitrifies ; the locking of the glaze to the body by the fine sillimanite crystals , which form on firing and penetrate the glaze , was shown in a photo ...
... pure kaolin only , which , owing to the fineness of the particles , com- pletely vitrifies ; the locking of the glaze to the body by the fine sillimanite crystals , which form on firing and penetrate the glaze , was shown in a photo ...
Strona 17
... pure silica lining , it had to be lifted out with considerable force , and the silica was drawn out in fine rods , but it was not possible to deform the clay crucible even in taking it out with con- siderable force . When material was ...
... pure silica lining , it had to be lifted out with considerable force , and the silica was drawn out in fine rods , but it was not possible to deform the clay crucible even in taking it out with con- siderable force . When material was ...
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