The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 18
... cubic centimetres is read off and noted . Twenty - five grains of the powdered tea are next exhausted with boiling ... 250 cubic centimetres . This solution is tested in the same way , and the calculation of the percentage of ...
... cubic centimetres is read off and noted . Twenty - five grains of the powdered tea are next exhausted with boiling ... 250 cubic centimetres . This solution is tested in the same way , and the calculation of the percentage of ...
Page 106
... 250 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 ...
... 250 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 ...
Page 107
... 250 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 ...
... 250 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 ...
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Common terms and phrases
250 cubic centimetres added adulteration albumin alcohol alkaloid amount analysis appearance bean benzol boiling water caffeic acid Caffeine cane caramel cells cellulose cent centimetres of water chemical chemists chicory cocoa cocoa nibs coffee cold water colouring matter Congou consists constituents contains copper crystals cubic centimetres dextrin dextro-glucose dilute dissolved distilled dried estimation ether evaporated exhausted leaves Fehling's fermentation filtered filtrate flavour glucose grains grams granules green tea husk India infusion insoluble invert-sugar kernel Large crown 8vo laticiferous laticiferous tissue leaf magnesia mangold wurzel mineral matter mixture nitrogen obtained Orange Pekoe oxide Parsnips percentage of ash portion potash powder precipitate prepared present proportion pure cane-sugar raw sugar removed residue roasted rotatory power seeds Silica skin small quantity soluble in water solution Souchong specific gravity starch sulphuretted hydrogen sulphuric acid tannic acid tannin temperature theine theobromine Trinidad weight woody wurzel Young Hyson