Food Inspection and Analysis: For the Use of Public Analysts, Health Officers, Sanitary Chemists, and Food EconomistsJohn Wiley, 1913 - 1001 pages |
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Page 25
... precipitates , as for example , in Hortvet's method of estimating the amount of lead precipitate formed in solutions of maple products ( page 628 ) . The electrical machinery is entirely enclosed , thus obviating the danger of exploding ...
... precipitates , as for example , in Hortvet's method of estimating the amount of lead precipitate formed in solutions of maple products ( page 628 ) . The electrical machinery is entirely enclosed , thus obviating the danger of exploding ...
Page 30
... precipitate is redissolved . lute to I liter . Page 535 . Saturate H2O with HgCl2 . See page 196 . Free from formaldehyde . See No. 155 . See No. 149 . Dissolve Hg in twice its weight of HNO3 No. 13 and dilute with equal vol . of H2O ...
... precipitate is redissolved . lute to I liter . Page 535 . Saturate H2O with HgCl2 . See page 196 . Free from formaldehyde . See No. 155 . See No. 149 . Dissolve Hg in twice its weight of HNO3 No. 13 and dilute with equal vol . of H2O ...
Page 31
... precipitate is redissolved . lute to I liter . Page 535 . 179 180 Methyl blue 181 orange . 182 Dry color . Indicator solution . 183 Milk . of lime . -sugar . 184 Millon's reagent . 185 Molybdic oxide . MoO3 . Naphtha . 186 Naphthalene ...
... precipitate is redissolved . lute to I liter . Page 535 . 179 180 Methyl blue 181 orange . 182 Dry color . Indicator solution . 183 Milk . of lime . -sugar . 184 Millon's reagent . 185 Molybdic oxide . MoO3 . Naphtha . 186 Naphthalene ...
Page 41
... precipitate , which becomes brick - red on heating . Sodium chloride prevents the reaction . Various organic substances are precipitated by Millon's reagent , but these precipitates do not turn red on heating . Biuret Reaction . — If a ...
... precipitate , which becomes brick - red on heating . Sodium chloride prevents the reaction . Various organic substances are precipitated by Millon's reagent , but these precipitates do not turn red on heating . Biuret Reaction . — If a ...
Page 42
... precipitate albumins with the aid of heat . Nitrate of mercury ( in dilute nitric acid ) precipitates albumins from their solutions ; also Mayer's solution acidified with acetic acid . They are precipitated by saturation with ammonium ...
... precipitate albumins with the aid of heat . Nitrate of mercury ( in dilute nitric acid ) precipitates albumins from their solutions ; also Mayer's solution acidified with acetic acid . They are precipitated by saturation with ammonium ...
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Common terms and phrases
acetic acid added adulterant Agric alcohol alkaline ammonia amount analysis beaker boiling boric acid butter cane sugar carbon cells Cent Chem chloride cider cocoa coloring matter composition containing cool copper crystals Detection Determination dextrin dextrose dilute dish dissolved distillate dried edible portion ether extract evaporate fermentation fiber filter filtrate flask flavor flour fruit funnel Genuss glucose grams heat hydrochloric acid insoluble invert sugar iodine Jour juice lard liquid malt maltose meat method microscope milk minutes mixture Nahr nitric acid nitrogen obtained orange oxide polarization potassium potassium hydroxide powder precipitate prepared present proteins pure reagent refractometer residue salt sample separatory funnel shake sodium hydroxide soluble solution specific gravity standard starch substances sucrose sulphate sulphuric acid temperature tenth-normal tion titrate total solids tube U. S. Dept vanillin vinegar volatile volume wash water-bath weight wine yellow Zeits
Popular passages
Page 961 - First. If any substance has been mixed and packed with it so as to reduce or lower or injuriously affect its quality or strength.
Page 961 - Second. If it be labeled or branded so as to deceive or mislead the purchaser, or purport to be a foreign product when not so, or if the contents of the package as originally put up shall have been removed in whole or in part and other contents shall have been placed in such package...
Page 961 - If it contain any added poisonous or other added deleterious ingredient which may render such article injurious to health...
Page 961 - Third. If in package form, the quantity of the contents be not plainly and conspicuously marked on the outside of the package in terms of weight, measure, or numerical count: Provided, however, that reasonable variations shall be permitted, and tolerances and also exemptions as to small packages shall be established by rules and regulations made in accordance with the provisions of section three of this act.
Page 962 - Fourth. If the package containing it or its label shall bear any statement, design, or device regarding the ingredients or the substances contained therein, which statement, design, or device shall be false or misleading in any particular...
Page 962 - In the case of articles labeled, branded, or tagged so as to plainly indicate that they are compounds, imitations, or blends, and the word " compound," " imitation," or " blend," as the case may be, is plainly stated on the package in which it is offered for sale : Provided, That the term blend...
Page 962 - That the term blend as used herein shall be construed to mean a mixture of like substances, not excluding harmless coloring or flavoring ingredients used for the purpose of coloring and flavoring only: And provided further, That nothing in this Act shall be construed as requiring or compelling proprietors or manufacturers of proprietary foods which contain no unwholesome added ingredient to disclose their trade formulas, except in so far as the provisions of this Act may require to secure freedom...
Page 962 - Act, the same shall be disposed of by destruction or sale, as the said court may direct, and the proceeds thereof, if sold, less the legal costs and charges, shall be paid into the Treasury of the United States, but such goods shall not be sold in any jurisdiction contrary to the provisions of this Act or the laws of that jurisdiction: Provided however, That upon the payment of the costs of such libel proceedings and the execution and delivery of a good and sufficient bond...
Page 960 - ... or offered for sale in the District of Columbia, or in any Territory of the United States, or which shall be offered for sale in unbroken packages in any State other than that in which they shall have been respectively manufactured or produced, or which shall be received from any foreign country, or intended for shipment to any foreign country, or which may be submitted for examination by the chief health, food or drug officer of any State, Territory or the District of Columbia...
Page 962 - ... shall be liable to be proceeded against in any district court of the United States within the district where the same is found, and seized for confiscation by a process of libel for condemnation.