The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 17
... grams of gelatine and 2 grams of alum are dissolved in warm water and made up to 1 litre ; then I grain of the finest tannic acid is dissolved in 40 cubic centimetres of water and 10 cubic centimetres of a saturated solution of common ...
... grams of gelatine and 2 grams of alum are dissolved in warm water and made up to 1 litre ; then I grain of the finest tannic acid is dissolved in 40 cubic centimetres of water and 10 cubic centimetres of a saturated solution of common ...
Page 18
... grams in the litre . 1-10th gram of pure tannic acid is dissolved in 100 cubic centimetres of water , and introduced into a burette ; 10 cubic centimetres of the lead solution are measured into a beaker , and diluted with 90 cubic ...
... grams in the litre . 1-10th gram of pure tannic acid is dissolved in 100 cubic centimetres of water , and introduced into a burette ; 10 cubic centimetres of the lead solution are measured into a beaker , and diluted with 90 cubic ...
Page 19
... grams of the salt in a litre of water . 2. Solution of pure sulphate of indigo : 30 grams dissolved in water and made up to a litre . 3. Solution of pure tannic acid : 2 grams in 1 litre of distilled water . 4. Dilute sulphuric acid ...
... grams of the salt in a litre of water . 2. Solution of pure sulphate of indigo : 30 grams dissolved in water and made up to a litre . 3. Solution of pure tannic acid : 2 grams in 1 litre of distilled water . 4. Dilute sulphuric acid ...
Page 20
... grams of finely powdered tea are digested with 3 ounces of alcohol of 70 per cent . at a temperature of 140 ° F. ( 60 ° C. ) for fifteen minutes and filtered , the process being repeated three or four times with successive quantities of ...
... grams of finely powdered tea are digested with 3 ounces of alcohol of 70 per cent . at a temperature of 140 ° F. ( 60 ° C. ) for fifteen minutes and filtered , the process being repeated three or four times with successive quantities of ...
Page 84
... grams of the cocoa are exhausted first with benzol and then with alcohol . The residue is next treated with cold water for two hours , and filtered ; the aqueous filtrate is evaporated to a small bulk , filtered , and to the filtrate ...
... grams of the cocoa are exhausted first with benzol and then with alcohol . The residue is next treated with cold water for two hours , and filtered ; the aqueous filtrate is evaporated to a small bulk , filtered , and to the filtrate ...
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Common terms and phrases
250 cubic centimetres Acorns added adulteration albumin alcohol alkaloid analysis appearance bean benzol berries boiling water caffeic acid Caffeine cane caramel cells cellulose cent centimetres of water chemists chicory cloth cocoa cocoa nibs coffee cold water colouring matter Congou consists constituents contains copper crown 8vo crystals cubic centimetres Demy 8vo dextrin dextro-glucose dilute dissolved distilled dried estimation ether evaporated exhausted leaves Fehling's fermentation filtered filtrate glucose grains grams granules green tea husk India infusion insoluble invert-sugar kernel laticiferous laticiferous tissue leaf magnesia mangold wurzel manufacture mineral matter mixture nitrogen obtained Orange Pekoe oxide Parsnips percentage of ash portion potash powder precipitate prepared present proportion Prussian blue pure cane-sugar raw sugar removed roasted sample of coffee seeds Silica skin soluble in water solution Souchong specific gravity starch sulphuretted hydrogen sulphuric acid tannic acid tannin temperature theine theobromine Trinidad vegetable substances weight wurzel
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