The Chemistry of Foods: Tea, coffee, cocoa, sugar, etcCommittee of Council on Education, 1881 - Food |
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Page 19
... sulphuric acid : 200 cubic centimetres of concen- trated sulphuric acid diluted to 1 litre , or 1 in 5 . 5. Solution of pure gelatine : 25 grams of best glue dissolved in warm water , and made up to 1 litre with a saturated solution ...
... sulphuric acid : 200 cubic centimetres of concen- trated sulphuric acid diluted to 1 litre , or 1 in 5 . 5. Solution of pure gelatine : 25 grams of best glue dissolved in warm water , and made up to 1 litre with a saturated solution ...
Page 44
... Acid . This is also known by the names of caffeo- tannic acid and chlorogenic acid , and is present in coffee to the ... sulphuric acid , yields quinone . Sugar . The raw coffee beans contain from 5'70 to 7'70 per cent . of a ...
... Acid . This is also known by the names of caffeo- tannic acid and chlorogenic acid , and is present in coffee to the ... sulphuric acid , yields quinone . Sugar . The raw coffee beans contain from 5'70 to 7'70 per cent . of a ...
Page 102
... sulphuric acid , and , after filtering , the syrup is partially evaporated in a vacuum - pan , and run through a ... sulphuric acid . This mixture is allowed to stand for twenty - four hours in the cold , and then heated for about ...
... sulphuric acid , and , after filtering , the syrup is partially evaporated in a vacuum - pan , and run through a ... sulphuric acid . This mixture is allowed to stand for twenty - four hours in the cold , and then heated for about ...
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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