Food adulteration and its detectionE. & F.N. Spon, 1887 - 328 páginas |
Dentro del libro
Resultados 1-5 de 59
Página 16
... quantity of the tea be placed in a long glass cylinder and agitated with cold water , the colouring and other abnormal substances frequently become de- tached , and either rise to the surface of the liquid as a sort of scum , or fall to ...
... quantity of the tea be placed in a long glass cylinder and agitated with cold water , the colouring and other abnormal substances frequently become de- tached , and either rise to the surface of the liquid as a sort of scum , or fall to ...
Página 21
... quantity of the tea is boiled with distilled water until the filtered infusion ceases to exhibit any colour . The filtrate is evaporated on a water bath to the consistence of a syrup ; it is next mixed with calcined magnesia to alkaline ...
... quantity of the tea is boiled with distilled water until the filtered infusion ceases to exhibit any colour . The filtrate is evaporated on a water bath to the consistence of a syrup ; it is next mixed with calcined magnesia to alkaline ...
Página 23
... quantity of exhausted tea - leaves . The proportion of soluble ash in the mixture was found to be 1.8 per cent . According to the above for- mula , the spent tea present would be 48 per cent . , or within 2 per cent . of the actual ...
... quantity of exhausted tea - leaves . The proportion of soluble ash in the mixture was found to be 1.8 per cent . According to the above for- mula , the spent tea present would be 48 per cent . , or within 2 per cent . of the actual ...
Página 32
... quantity of the sample is placed upon a clean plate of glass , and moistened with a few drops of water , the pure coffee berries remain hard , and offer resistance when tested with a needle ; most grains employed for 32 FOOD ADULTERATION .
... quantity of the sample is placed upon a clean plate of glass , and moistened with a few drops of water , the pure coffee berries remain hard , and offer resistance when tested with a needle ; most grains employed for 32 FOOD ADULTERATION .
Página 37
... quantity of sugar in a sample can be determined by Fehling's method as follows : - A standard solution of pure cupric sulphate is first pre- pared by dissolving 34 64 grammes of the crystals ( previously ground and dried by pressing ...
... quantity of sugar in a sample can be determined by Fehling's method as follows : - A standard solution of pure cupric sulphate is first pre- pared by dissolving 34 64 grammes of the crystals ( previously ground and dried by pressing ...
Términos y frases comunes
acetic acid added addition admixture adulteration albuminoid alcohol alum ammonia ammonium amount analysis artificial beer Board of Health boiling branded bread cane sugar carbonic acid cent cheese chemical chicory chloride cider vinegar cocoa coffee colouring matter compound contained cream detected determined dextrine dilute dissolved distilled dryness employed estimation ether evaporated examination extract Fehling's Fehling's solution fermentation filtered filtrate flask flour genuine butter glucose glycerine grain grammes grape sugar honey hundred dollars hydroxide imprisonment inspector label liquid liquors litre malt manufacture milk mixture nitrates nitric acid nitrogen obtained offence oleomargarine package Paris Penalty person phosphoric acid plate polariscope polarised potassium potassium bitartrate potassium hydroxide precipitate present proportion provisions Public Statutes pure quantity residue salt sample sell sodium sodium bicarbonate solids soluble solution specific gravity starch substances sulphate sulphuric acid syrup tartaric tartaric acid temperature tested thereof tion vinegar water-bath weight wine York
Pasajes populares
Página 281 - In the case of drugs: (1) If, when sold under or by a name recognized in the United States Pharmacopoeia, it differs from the standard of strength, quality, or purity laid down therein. (2) If, when sold under or by a name not recognized in the United States Pharmacopoeia, but which is found in some other pharmacopoeia or other standard work on materia medica, it differs materially from the standard of strength, quality, or purity laid down in such work. (3) If its strength, quality, or purity falls...
Página 266 - First. If any substance has been mixed and packed with it so as to reduce or lower or injuriously affect its quality or strength.
Página 281 - In the case of food: (1) If any substance or substances have been mixed with it, so as to lower or depreciate, or injuriously affect its quality, strength, or purity; (2) If any inferior or cheaper substance or substances have been substituted wholly or in part for it...
Página 280 - drug," as used in this Act, shall include all medicines and preparations recognized in the United States Pharmacopoeia or National Formulary for internal or external use, and any substance or mixture of substances intended to be used for the cure, mitigation, or prevention of disease of either man or other animals. The term
Página 308 - ... shall be the duty of the Commissioner of Internal Revenue, within a period of not more than two years after such sale or removal, upon satisfactory proof, to estimate the amount of tax which has been omitted to be paid, and to make an assessment therefor and certify the same to the collector.
Página 271 - Object and intent of this article This article and each section thereof are declared to be enacted to prevent deception in the sale of dairy products, and to preserve the public health, which is endangered by the manufacture, sale and use of the articles or substances herein regulated or prohibited.
Página 308 - Notice. — The manufacturer of the filled cheese herein contained has complied with all the requirements of the law. Every person is cautioned not to use either this package again or the stamp thereon again, nor to remove the contents of this package without destroying said stamp, under the penalty provided by law in such cases.
Página 301 - An act to prevent deception in the sale of butter and cheese," and the other approved May 24, 1883, and entitled "An act for the protection of dairymen, and to prevent deception in sales of butter and cheese...
Página 307 - ... his factory, and conduct his business under such surveillance of officers and agents as the Commissioner of Internal Revenue, with the approval of the Secretary of the Treasury, may by regulation require. But the bond required of such manufacturer shall be with sureties satisfactory to the collector of internal revenue, and in a penal sum of not less than...
Página 307 - That all oleomargarine shall be packed by the manufacturer thereof in firkins, tubs, or other wooden packages not before used for that purpose, each containing not less than ten pounds, and marked, stamped and branded as the Commissioner of Internal Revenue, with the approval of the Secretary of the Treasury, shall prescribe ; and all sales made by manufacturers of oleomargarine and wholesale dealers in oleomargarine shall be in original stamped packages.