Report of the Chief for 1862-1927U.S. Government Printing Office, 1925 |
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Side 3
... hydrolysis of a triglyceride . The glu- coside phytosteroline was also sepa- rated from crude cottonseed oil . It occurs in very small amounts . This is the first instance where a compound of this class has BUREAU OF CHEMISTRY 3.
... hydrolysis of a triglyceride . The glu- coside phytosteroline was also sepa- rated from crude cottonseed oil . It occurs in very small amounts . This is the first instance where a compound of this class has BUREAU OF CHEMISTRY 3.
Side 4
United States. Bureau of Chemistry. the first instance where a compound of this class has been observed in a vegetable oil . The chemical composition of rice oil has been determined . It was found to contain glycerides of myristic , pal ...
United States. Bureau of Chemistry. the first instance where a compound of this class has been observed in a vegetable oil . The chemical composition of rice oil has been determined . It was found to contain glycerides of myristic , pal ...
Side 5
... compounds . Light , although already proved to be harmful to leather , can not alone account for such an increase in the sulphur or sulphate content of the binding . The indica- tions are that part of the deterioration is caused by the ...
... compounds . Light , although already proved to be harmful to leather , can not alone account for such an increase in the sulphur or sulphate content of the binding . The indica- tions are that part of the deterioration is caused by the ...
Side 9
... compounds and mixtures were tested in the proximity of pack- ing houses and other places where flies are abundant . Of the organic chemicals tested which show the great- est repellent action against the screw- worm fly , using treated ...
... compounds and mixtures were tested in the proximity of pack- ing houses and other places where flies are abundant . Of the organic chemicals tested which show the great- est repellent action against the screw- worm fly , using treated ...
Side 10
... compounds have been prepared and tested on in- sects , on the theory that the pyrrolidin nucleus of the nicotine molecule is the carrier of toxicity . Although most of these compounds showed marked in- secticidal properties , none of ...
... compounds have been prepared and tested on in- sects , on the theory that the pyrrolidin nucleus of the nicotine molecule is the carrier of toxicity . Although most of these compounds showed marked in- secticidal properties , none of ...
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acid adulterated agricultural arsenate bacteria belts beverages Bureau of Chemistry calcium calcium arsenate cane juice carbon cause cent chemical chemist citrus coal-tar colloidal color commercial committee composition compounds constituents containing cooperation cottonseed cottonseed oil deterioration determine developed drugs act dust dust-explosion effect elimination emulsions enforcement examined experimental experiments explosions Federal food feeds fermentation fiscal flavor flour food and drugs food colors food industries food officials food-law fruit fungicides glutelin glycerides gossypol grades growers hay fever important improvement insecticides inspection investigation laboratory leather lignin manufacture materials ment method milk misbranded moisture naval stores naval stores act obtained pack plants pollen ports possible pounds prepared present proteins pyrrolidin quantities reau regulatory rosin samples seizures shipments showed sirup sodium sodium nitrate standards sugar sulphur tained tannin temperature tested tion toxic ture turpentine types ucts utilization various vegetables wheat
Populære avsnitt
Side 20 - If it consists in whole or in part of a filthy, decomposed, or putrid animal or vegetable substance, or any portion of an animal unfit for food, whether manufactured or not, or if it is the product of a diseased animal, or one that has died otherwise than by slaughter. SEC. 8. That the term
Side 1 - Commissioner, and he shall appoint such other employees as Congress may from time to time provide, with salaries corresponding to the salaries of similar officers in other departments of the government; and he shall, as Congress may from time to time provide, employ other persons, for such time as their services may be needed, including chemists, botanists, entomologists, and other persons skilled in the natural sciences pertaining to agriculture.
Side 25 - The products analyzed for content of radium included 'hair tonics, bath compounds, suppositories, tissue creams, tonic tablets, face powders, ointments, mouth washes, demulcents, opiates, ophthalmic solutions, healing pads and other preparations in solid, semi-solid and liquid form for which therapeutic value because of alleged radioactivity was claimed. Only 5...
Side 11 - ... result of chemical work on insecticides conducted this year, ..a method for the rapid field determination of sulphur on foliage and fruit treated with sulphur preparations was devised, the composition -of colloidal calcium arsenate was determined and the best method of preparing it was worked out, and the general investigation of the ^chemistry of calcium arsenate. which has been under way for several years, was concluded. The chemical and physical properties of 12 crystalline arsenates of calcium,...
Side 7 - ... value in the study of clarification problems. The dye value has been found to be an index of the refining quality of raw sugar. Realizing the value of such a test, both refiners and manufacturers of raw sugar are adopting it as a measure of controlling or improving their factory operations. Lignin Investigations initiated by the bureau in 1920 upon the utilization of corncobs and other agricultural wastes for the production of the chemical furfural are now being applied commercially.
Side 1 - SIR: I have the honor to submit herewith my report of the operations of the Bureau of Chemistry for the fiscal year ended June 30...
Side 3 - It was upon the basis of such research that chemical methods were developed for the detection of adulteration, that the prevalence of sophistication in foods, drugs, insecticides, and naval stores was ascertained and that laws were finally passed for correcting) these abuses. After the passage of the various regulatory acts that were entrusted to the Bureau of Chemistry for execution, parallel lines of research and law enforcement work that have been mutually beneficial were initiated.
Side 3 - ... ascertained, and that laws were finally passed for correcting these abuses. After the passage of the various regulatory acts that were entrusted to the Bureau of Chemistry for execution, parallel lines of research and law enforcement work were initiated that have been mutually beneficial.
Side 20 - ... unfit for food, or a product of a diseased animal, or one that has died otherwise than by slaughter: (3) in the case of food or drug products so grossly adulterated or misbranded with false or fraudulent claims that their distribution constitutes a serious imposition upon the public; (4) in the case of deliberate frauds in the shipment of adulterated and misbranded food products which seriously demoralize legitimate trade practices.
Side 20 - In the case of food products consisting in whole or in part of filthy, decomposed, or putrid animal or vegetable substance, or any portion of an animal unfit for food, or a product of a diseased animal, or one that has died otherwise than by slaughter. 3. In the case of food...