The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 84
... cubic centimetres of normal sulphuric acid for six hours , and the resulting sugar estimated with the precautions observed in the case of starch . In addition to the direct estimation before described , the starch may be determined by ...
... cubic centimetres of normal sulphuric acid for six hours , and the resulting sugar estimated with the precautions observed in the case of starch . In addition to the direct estimation before described , the starch may be determined by ...
Page 90
... cubic centimetres of water are taken . The cocoa is well rubbed up with a little of the water in a porcelain mortar , and thoroughly rinsed 90 COCOA .
... cubic centimetres of water are taken . The cocoa is well rubbed up with a little of the water in a porcelain mortar , and thoroughly rinsed 90 COCOA .
Page 91
... cubic centimetres being taken for evaporation to dryness , and from the result the total amount soluble in cold water is easily calculated . The dry residue is ignited to obtain the amount of ash . In the analysis of a Trinidad cocoa ...
... cubic centimetres being taken for evaporation to dryness , and from the result the total amount soluble in cold water is easily calculated . The dry residue is ignited to obtain the amount of ash . In the analysis of a Trinidad cocoa ...
Page 106
... cubic centimetres . Twenty - five cubic centimetres of the copper solu- tion are then heated in a white glass flask to the boiling point , and the sugar solution is run into it from a burette , care being taken not to add more than will ...
... cubic centimetres . Twenty - five cubic centimetres of the copper solu- tion are then heated in a white glass flask to the boiling point , and the sugar solution is run into it from a burette , care being taken not to add more than will ...
Page 107
... cubic centimetres , and if it be found that 45 cubic centimetres of this diluted solution are required to reduce the copper in 25 cubic centimetres of Fehling's solution , the percentage of glucose is thus found : 250 x 100 x ' I -- 6 ...
... cubic centimetres , and if it be found that 45 cubic centimetres of this diluted solution are required to reduce the copper in 25 cubic centimetres of Fehling's solution , the percentage of glucose is thus found : 250 x 100 x ' I -- 6 ...
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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
Popular passages
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