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Página 38
... precipitating the artificial colouring matters with alumina and other metallic oxides . Besides these showy articles , Mr. Perkin's table held specimens of madder - root_and garancine , and of the artificial alizarine which is beginning ...
... precipitating the artificial colouring matters with alumina and other metallic oxides . Besides these showy articles , Mr. Perkin's table held specimens of madder - root_and garancine , and of the artificial alizarine which is beginning ...
Página 82
... precipitate , which is soluble in hydrochloric acid . These reactions serve to detect antimony . In organic mixtures ... precipitate soluble in excess . Ferrocyanide of potassium gives a brown precipitate in an acid liquid . Copper is ...
... precipitate , which is soluble in hydrochloric acid . These reactions serve to detect antimony . In organic mixtures ... precipitate soluble in excess . Ferrocyanide of potassium gives a brown precipitate in an acid liquid . Copper is ...
Página 83
... precipitate with soluble lead salts , which dissolves on boiling , but which , on cooling , is reprecipitated in brilliant yellow scales . Hydrochloric acid causes a precipitate of chloride of lead , which is but slightly soluble in ...
... precipitate with soluble lead salts , which dissolves on boiling , but which , on cooling , is reprecipitated in brilliant yellow scales . Hydrochloric acid causes a precipitate of chloride of lead , which is but slightly soluble in ...
Página 85
... precipitate , when heated to a red heat , is decomposed , cyanogen being driven off while silver is left . Subnitrate of mercury gives a grey pre- cipitate of metallic_ mercury . If a liquid containing prussic acid be warmed with a ...
... precipitate , when heated to a red heat , is decomposed , cyanogen being driven off while silver is left . Subnitrate of mercury gives a grey pre- cipitate of metallic_ mercury . If a liquid containing prussic acid be warmed with a ...
Página 87
... precipitate by the addition of an acid . This discovery was too important to be neglected , and experiments were ... precipitated as a yellow paste . Having been collected upon filters and washed with water the alizarine is fit for use ...
... precipitate by the addition of an acid . This discovery was too important to be neglected , and experiments were ... precipitated as a yellow paste . Having been collected upon filters and washed with water the alizarine is fit for use ...
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Términos y frases comunes
8.-Royal Society alizarine Analytical Chemistry anthracene anthraquinone antimony April arsenic artist Arts Astronomy bassoon beautiful Botanic Society Botany carbon CHARLES TILSTONE BEKE Chemistry at 6.-Royal chiefly Class for Analytical Colonial colouring matters commenced contributed Conversazione copper Course crystalline DANIEL HANBURY diamond Edition English exhibited February FRIDAY-London Institution GEORGE HIBBERT gold Half-past heat HENRY Huxley's hydrochloric acid illustrated Institution at 9 instruments January JOHN Journal Lond London Institution madder March Messrs metal minerals Miss Monday MONDAY-London Institution mosaic Motion Music natural nitric acid o'clock P. L. SIMMONDS Permanent Circulating Library poison precipitate present Principal Librarian produced Prof Professor Huxley Proprietors prussic acid Royal Rumford's sapphire SATURDAY-Royal Institution scientific Second Lecture Sketches Society at 3.45 Society at 8.30 Society at 8.30.-Antiquaries soluble specimens stained glass stones substance sulphide THOMAS Thursday THURSDAY-London Institution topaz TUESDAY-Royal Institution W. H. PERKIN WEDNESDAY-London Institution WILLIAM WILLIAM TITE
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