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A method for the detection of small quantities of coumarin : particularly in factitious vanilla extracts / H.J. Wichmann.

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Bibliographic Details
Main Author:	Wichmann, Hugo John
Corporate Authors:	United States. Bureau of Chemistry, United States. Department of Agriculture
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Dept. of Agriculture, Bureau of Chemistry, 1912.
Series:	Circular (United States. Bureau of Chemistry) ; no. 95.
Subjects:	Plant extracts > Analyis. Analytical chemistry. Vanilla. Coumarins.

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Call Number:	A 7.4:1-99
A 7.4:1-99	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Coloring matters for foodstuffs and methods for their detection / W.G. Berry. Paper-making materials and their conservation / F.P. Veitch. Methods for the investigation of canceling inks and other stamping inks. Suggestions to importers of food products / H.W. Wiley. Changes in and additions to methods of analysis adopted at the thirteenth and fourtee... Chemical examination of canned meats. Changes in provisional methods for the analysis of foods and additions thereto : from... The hydrolysis of salicin by the enzym emulsin / C.S. Hudson and H.S. Paine. Provisional methods for the determination of food preservatives as authorized by the... Methods for examination of maple products. General results of the investigations showing the effect of formaldehyde upon digesti... Results of borax experiment. The manufacture of sorghum sirup. The quantitative determination of cane sugar by the use of invertase / C.S. Hudson. Useful Properties of Clays. Organization of the Bureau of Chemistry. Report on colors : the solubility and extraction of colors and the color reactions of... A new method for measuring the electrolytic dissociation of water / C.S. Hudson. Extracts from the proceedings of the Association of Official Agricultural Chemists, 1... Preliminary crop and soil data for the cooperative study of available plant food / by... The occurrence of pinene in lemon oil / E.M. Chace. Methods for the analysis of insecticides and fungicides. Proposed reforms in fertilizer inspection laws. Amended methods adopted at the Eighteenth Annual Convention of the Association of Off... A relation between the chemical constitution and the optical rotary power of the suga... Report on methods of beer analysis / H.E. Barnard. Changes in official methods of analysis and additions thereto, 1899 to 1905. Composition chimique du maïs et de ses produits / par M.H.W. Wiley. Cooperative work on the titer test, Association of Official Agricultural Chemists, 19... Standards of purity for food products. : Supplemental proclamation. Chemical methods for utilizing wood : Including destructive distillation, recovery of... The destruction of the enzym invertase by acids, alkalis and hot water / C.S. Hudson... The determination of total sulphur in organic matter / Herman Schreiber. Extracts from the proceedings of the Association of Official Agricultural Chemists, 1... Apparatus for use in the determination of volatile acids in wines and vinegars / H.C.... Experiments on the preparation of sugared, dried pineapples / H.C. Gore. The cold storage of apple cider. / by H.C. Gore. Analyses of canned peas and beans : showing composition of different grades / W.L. Du... A comparison of beef and yeast extracts of known origin / F.C. Cook. The comparative rate of decomposition in drawn and undrawn market poultry / M.E. Penn... Extracts from the Proceedings of the Association of Official Agricultural Chemists, 1... Methods for the analysis of maple products and the detection of adulterants : togethe... General results of the investigations showing the effect of sulphurous acid and sulph... The influence of acids and alkalis on the activity invertase / C.S. Hudson and H.S. P... Changes in and additions to methods of analysis adopted at the thirteenth annual meet... Officials charged with the enforcement of food laws in the United States and Canada. Proposed reforms in fertilizer inspection laws / [H.W. Wiley] Studies of poultry from the farm to the consumer / M.E. Pennington. Cooperative work on fats and oils : Association of official agricultural chemists, 19... Extracts from the Proceedings of the Association of Official Agricultural Chemists, 1... The value of peaches as vinegar stock / H.C. Gore. Analysis of Mexican plant Tecoma mollis H.B.K / L.F. Kebler and A. Seidell. Extracts from the Proceedings of the Association of Official Agricultural Chemists, 1... How to kill and bleed market poultry / M.E. Pennington and H.M.P. Betts. Extracts from the Proceedings of the Association of Official Agricultural Chemists. General results of the investigations showing the effect of salicylic acid and salicy... Suggested modification of the Winton lead number : especially as applied to mixtures... Plan for cooperating in the study of available plant food / by Charles Chilton Moore. Examination of papers. General results of the investigation showing the effect of benzoic acid and benzoates... The action of drugs under pathological conditions / William Salant. Studies on chicken fat. A theory of the influence of acids and alkalis on the activity of invertase / C.S. Hu... Tomato ketchup under the microscope ; with practical suggestions to insure a cleanly... An electrically controlled constant temperature water bath for the immersion refracto... Improvements in the Knorr fat extraction apparatus / H.L. Walter and C.E. Goodrich. The volatile acidity of gum tragacanth compared with that of Indian gum / W.O. Emery. The estimation of iodin in organic compounds and its separation from other halogens /... A measurement of the translucency of papers / C. Frank Sammet. Tin salts in canned foods of low acid content : with special reference to canned shri... A chemical investigation of American spearmint oil / E.K. Nelson. Two new pieces of chemical apparatus. : I. Apparatus for the continuous extraction of... A chemical investigation of the oil of chenopodium / E.K. Nelson. The determination of camphor / H.C. Fuller. A modification in the determination of malic acid / David S. Pratt. The unification of reducing sugar methods. : (A correction.) / Percy H. Walker. The quantitative separation of mixtures of certain acid coal tar dyes / W.E. Mathewso... Extracts from the Proceedings of the Association of Official Agricultural Chemists, 1... A method for the detection of small quantities of coumarin : particularly in factitio... The effect of alcohol on invertase / C.S. Hudson and H.S. Paine. The refractive index of beeswax / L. Feldstein. Practical suggestions for the preparation of frozen and dried eggs : a statement base... The estimation of minute amounts of arsenic in foods / Edmund Clark and A.G. Woodman. Detection and determination of small quantities of ethyl and methyl alcohol and of fo... Changes taking place during the spoilage of tomatoes : with methods for detecting spo... Deterioration of eggs as shown by changes in the moisture content / A.D. Geenlee. Extraction of grains and cattle foods for the determination of sugars : Acomparison o... A method for the determination of tin in canned foods / Herman Schreiber and W.C. Tab... Determination of malic acid / By P.B. Dunbar and R.F. Bacon. The calcium carbid method for determining moisture / H.C. McNeil. Marking porcelain and silica crucibles, etc. / P.A. Yoder. The arsenic content of shellac and the contamination of foods from this source / Bern... Determination of citric acid / David S. Pratt.