Philosophical Transactions of the Royal Society of London, Volume 103W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1813 |
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Pagina 65
... potash . They were tinged yellow by some of the resin . This mix- ture , heated in a gold dish , deflagrated with violence , and a large quantity of fixed alkali remained . Dilute muriatic acid caused an exactly similar precipitation in ...
... potash . They were tinged yellow by some of the resin . This mix- ture , heated in a gold dish , deflagrated with violence , and a large quantity of fixed alkali remained . Dilute muriatic acid caused an exactly similar precipitation in ...
Pagina 66
... potash to be alkali , this will denote of potash in ulmin . 100 5 grains of ulmin were decomposed by muriatic acid . The resinous matter weighed 3.3 grains , and the muriate of potash , after being ignited , dissolved away from the ...
... potash to be alkali , this will denote of potash in ulmin . 100 5 grains of ulmin were decomposed by muriatic acid . The resinous matter weighed 3.3 grains , and the muriate of potash , after being ignited , dissolved away from the ...
Pagina 67
... potash , which , freed from all charcoal , and made red hot , weighed 0.6 grain , corresponding , to of potash in ulmin . 20 These experiments assign about for the quantity of potash in ulmin , but as it is impossible to operate , on so ...
... potash , which , freed from all charcoal , and made red hot , weighed 0.6 grain , corresponding , to of potash in ulmin . 20 These experiments assign about for the quantity of potash in ulmin , but as it is impossible to operate , on so ...
Pagina 68
... potash of a red , or more properly a high yellow matter , which , if not of a peculiar genus , seems rather more related to the extrac- tives than to the resins . English Ulmin . I collected , from an elm tree in Kensington gardens , a ...
... potash of a red , or more properly a high yellow matter , which , if not of a peculiar genus , seems rather more related to the extrac- tives than to the resins . English Ulmin . I collected , from an elm tree in Kensington gardens , a ...
Pagina 69
... potash . The excess of alkali , in this English ulmin , may be owing to the tree from which it was collected having been affected with the disease , which produces the alkaline ulcer to which the elm is subject . Sap of the Elm Tree ...
... potash . The excess of alkali , in this English ulmin , may be owing to the tree from which it was collected having been affected with the disease , which produces the alkaline ulcer to which the elm is subject . Sap of the Elm Tree ...
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