Chemical News and Journal of Industrial Science, Tom 7Chemical news office., 1863 |
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Strona 9
... plants in it ; capable of taking a high polish when rubbed , and of a density greater than that of water , the cubic foot weighing from 53 lb. to 78 lb. The method of cutting peat in the Highlands of Scot- land is very different from ...
... plants in it ; capable of taking a high polish when rubbed , and of a density greater than that of water , the cubic foot weighing from 53 lb. to 78 lb. The method of cutting peat in the Highlands of Scot- land is very different from ...
Strona 10
... plant is picked over manner as linen and cotton rags , with which it may some- by hand , boiled with caustic alkali , washed , bleached and macerated , until the fibre is uniform in colour and quality . Grants of Provisional Protection ...
... plant is picked over manner as linen and cotton rags , with which it may some- by hand , boiled with caustic alkali , washed , bleached and macerated , until the fibre is uniform in colour and quality . Grants of Provisional Protection ...
Strona 39
... plants , may be taken as types of what solid extracts should be . They possess the active prin- ciples of the plant unaltered and in a concentrated form ; the chlorophyll , the gummy and albuminous matter , renders them plastic and ...
... plants , may be taken as types of what solid extracts should be . They possess the active prin- ciples of the plant unaltered and in a concentrated form ; the chlorophyll , the gummy and albuminous matter , renders them plastic and ...
Strona 51
... plant be experimented with , the mixture must be filtered hot , the residue on the filter washed with hot absolute alcohol , cold alcohol , and , lastly , with cold water , until ex- hausted . When mucilaginous seeds are operated on ...
... plant be experimented with , the mixture must be filtered hot , the residue on the filter washed with hot absolute alcohol , cold alcohol , and , lastly , with cold water , until ex- hausted . When mucilaginous seeds are operated on ...
Strona 55
... plant by machinery . Mr. Heys also exhibited mounted specimens of Queensland cotton , lately sold at five shillings ... plants used in their preparation . When the sample is distilled , the volatile oil , though generally having a high ...
... plant by machinery . Mr. Heys also exhibited mounted specimens of Queensland cotton , lately sold at five shillings ... plants used in their preparation . When the sample is distilled , the volatile oil , though generally having a high ...
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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