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Articles 32971 - 33000 of 33371
Full-Text Articles in Entire DC Network
The Migration Of Acyl Groups In Ortho-Aminophenols., Edgar Dumont Smith
The Migration Of Acyl Groups In Ortho-Aminophenols., Edgar Dumont Smith
LSU Historical Dissertations and Theses
No abstract provided.
Dielectric And Solvent Effects On The Alkaline Hydrolysis Of Ethyl-Acetate., James Edward Potts
Dielectric And Solvent Effects On The Alkaline Hydrolysis Of Ethyl-Acetate., James Edward Potts
LSU Historical Dissertations and Theses
No abstract provided.
Fatty Acids From Muskrat Scent Glands., Homer Bennett Hix
Fatty Acids From Muskrat Scent Glands., Homer Bennett Hix
LSU Historical Dissertations and Theses
No abstract provided.
An Investigation Of The Toxicity Of Tung Meal., James Arthur Watson
An Investigation Of The Toxicity Of Tung Meal., James Arthur Watson
LSU Historical Dissertations and Theses
No abstract provided.
Reduction Of Beryllium Compounds With Magnesium, Pei Wang
Reduction Of Beryllium Compounds With Magnesium, Pei Wang
Masters Theses
"The purpose of this research was to investigate the thermal reduction of beryllium compounds and to devise a method to estimate the metallic beryllium content in the final product"--Introduction, page 1.
Preparation And Physical Properties Of Some Unsymmetrically Substituted Ethanes, William F. Buth
Preparation And Physical Properties Of Some Unsymmetrically Substituted Ethanes, William F. Buth
Bachelors’ Theses
Early in 1947, while investigating the potentialities of various compounds for use as liquid dielectric materials, A method was found for the preparation of unsymmetrical ditolyl ethane by a condensation method using sulfuric acid. This material was thought to have excellent dielectric characteristics so it was prepared and tested. The tests were favorable enough, to warrant further investigation into the field of the unsymmetrical ethanes. Being aware of the physical properties required for a good liquid dielectric; it was proposed to prepare a few of the related compounds for which no data was known to exist and to select those …
A Study Of The Prussian Blue Test For Nitrogen, Marilyn M. Erickson
A Study Of The Prussian Blue Test For Nitrogen, Marilyn M. Erickson
Bachelors’ Theses
The problem of obtaining good nitrogen tests on all types of organic compounds interested the author as a result of past experience in the identification of organic compounds.
The practical application of a positive solution to this problem would be an aid to the students of characterization of organic compounds. It is necessary for them to make an elementary analysis in order to determine the class into which the unknown compound belongs. A nitrogen test which will give definite results will eliminate any doubt as to the presence of nitrogen.
The Molecular Weight Of Liquids In The Liquid State, Catherine O'Toole
The Molecular Weight Of Liquids In The Liquid State, Catherine O'Toole
Bachelors’ Theses
A Thesis Submitted to the Faculty of the College of Liberal Arts of Marquette University in Partial Fulfillment of the Requirements for the Degree of Bachelor of Science, Milwaukee, Wisconsin
The Trivalent State Of Uranium, Virginia M. Kubacki
The Trivalent State Of Uranium, Virginia M. Kubacki
Bachelors’ Theses
Besides being of practical importance in the preparation of compounds, the valence of an element is of theoretical significance because it is a clue to the electronic structure of the atom. In the case of elements which have several valences the relative stability and the means of changing from one state of oxidation to another are also important.
Uranium has valences of three, four, five, and six, but the reactivity of the trivalent uranium ion causes difficulties in the preparation of its compounds. Dr. Scott L. Kittsley in his investigation of the trivalency of uranium found that it is possible …
The Effect Of Metallic Fluorides On Oleic Acid At Elevated Temperatures, Lorraine W. Dupuis
The Effect Of Metallic Fluorides On Oleic Acid At Elevated Temperatures, Lorraine W. Dupuis
Bachelors’ Theses
The problem of finding the effect of metallic fluorine compounds on oleic acid at elevated temperatures was presented in connection with the thesis of J.J. Wocasek of Marquette University. Doctor Wocasek had used fluorine compounds as catalysts in a.n attempt to find a substitute for tung oil. He used the fluorides as catalysts in the esterification of glycerol with unsaturated acids.
Preparation And Properties Of Derivatives And Ketene Dimers From Five Cyclohexyl-Substitued Fatty Acids, Gilbert Wayman Senter
Preparation And Properties Of Derivatives And Ketene Dimers From Five Cyclohexyl-Substitued Fatty Acids, Gilbert Wayman Senter
Tennessee State University Alumni Theses and Dissertations
No abstract provided.
A Study Of The Electromotive Force Developed In Grignard Solutions, Frank P. Cassaretto
A Study Of The Electromotive Force Developed In Grignard Solutions, Frank P. Cassaretto
Dissertations
No abstract provided.
Separation And Identification Of The 2,4-Dinitrophenylhydrazones Of The Oxidation Products Of Glycerol., Gwendolyn Parker Mcclure
Separation And Identification Of The 2,4-Dinitrophenylhydrazones Of The Oxidation Products Of Glycerol., Gwendolyn Parker Mcclure
Electronic Theses and Dissertations
No abstract provided.
Microchemical Identification Of Amidone., Robert C. Watson
Microchemical Identification Of Amidone., Robert C. Watson
Electronic Theses and Dissertations
No abstract provided.
Alkylaminoalkyl Esters Of 2-Thiophene Carboxylic And Furoic Acids, Henry Alouis Rutter Jr.
Alkylaminoalkyl Esters Of 2-Thiophene Carboxylic And Furoic Acids, Henry Alouis Rutter Jr.
Master's Theses
The association of local anesthetic activity with alkaninoalkyl ester of aromatic carbonyl acids has been well susbstantietes. Compounds obtained as varieties of the "anesthesiophoric" group are usually capable of some degree of local anesthetic activity.
Alkylaminoalkyl Aryoxyacetates, William Kenneth Easley
Alkylaminoalkyl Aryoxyacetates, William Kenneth Easley
Master's Theses
Numerous inInvestigations into the preparation, properties, and effects plant growth substances have been carried out. It has been shown that phenoxyacetic acids, napthoxyacetic acids, esters, anides and salts of phenoxyacetic acids and certain substituted products of these acids are plant growth promoting substances.
It is the purpose ot this work to produce esters of phenoxyacetic and napthoxyacetic acids which contain a secondary amino group and as a result of their ability to form acid salts, such as hydrochlorides, water soluble compounds. These compounds would be readily applicable to plants in sprays.
The Preparation And Properties Of Certain Aromatic Fluorides, Chris Potos
The Preparation And Properties Of Certain Aromatic Fluorides, Chris Potos
Bachelors’ Theses
It is the purpose of this thesis to differentiate between various methods of organic fluorination, to outline their physical and chemical properties and to exemplify the procedure for their synthesis by the preparation of several aromatic fluorides.
Synthesis Of Terpenes, Jeanetta Reneberger
Synthesis Of Terpenes, Jeanetta Reneberger
Chemistry Honors Papers
This 16 page thesis examines the classification and preparation of terpenes.
Value Of The Dispersion Scale On The Abbe Refractometer, Marilyn Jane Malewitz
Value Of The Dispersion Scale On The Abbe Refractometer, Marilyn Jane Malewitz
Bachelors’ Theses
No abstract provided.
Spectroscopy, Harvey E. Wagner
Experiments On The Keto-Cleavage Of D1 (2-Cyanoethyl) Acetoacetic Ester, Charles W. Huff
Experiments On The Keto-Cleavage Of D1 (2-Cyanoethyl) Acetoacetic Ester, Charles W. Huff
Chemistry Honors Papers
This 12 page thesis examines effects of the addition of acrylo-nitrile to acetoacetic ester.
The Preparation Of Certain Organic Chloroformates And Carbonates, Robert E. Brailsford
The Preparation Of Certain Organic Chloroformates And Carbonates, Robert E. Brailsford
Theses and Dissertations
This brief discussion and research paper attempts to correlate a large portion of the information about the preparation of known organic chloroformates and carbonates, to point out the present and possible future uses of these compounds, and to contribute some information concerning the preparation of a number of the organic carbonates. A comparison of the different methods of preparation is made.
Specific Gravities And Fluidity Factors Of Glaze Slips, E. S. Amos
Specific Gravities And Fluidity Factors Of Glaze Slips, E. S. Amos
Journal of the Arkansas Academy of Science
No abstract provided.
Simple Ignition Furnaces, L. B. Roberts, J. C. Hackney
Simple Ignition Furnaces, L. B. Roberts, J. C. Hackney
Journal of the Arkansas Academy of Science
No abstract provided.
Note On The Occurrence Of D-Manitol In Native Persimmon, Irving T. Beach
Note On The Occurrence Of D-Manitol In Native Persimmon, Irving T. Beach
Journal of the Arkansas Academy of Science
No abstract provided.
Calycanthne. Distillation With Zinc Dust, Irving T. Beach
Calycanthne. Distillation With Zinc Dust, Irving T. Beach
Journal of the Arkansas Academy of Science
No abstract provided.
A Study Of The Synthesis Of 4-Chlorobutanal., Carl E. Moore 1915-2012
A Study Of The Synthesis Of 4-Chlorobutanal., Carl E. Moore 1915-2012
Electronic Theses and Dissertations
No abstract provided.
A Spectral Study Of Some Deuterated Toluenes., Charles Hooper Smith
A Spectral Study Of Some Deuterated Toluenes., Charles Hooper Smith
LSU Historical Dissertations and Theses
No abstract provided.
Lipide Stimulation Of Lactobacilli., Virginia R. Williams
Lipide Stimulation Of Lactobacilli., Virginia R. Williams
LSU Historical Dissertations and Theses
No abstract provided.
The Separation Of The Rare Earths Neodymium And Praseodymium By Precipitation As Chloride, Stanley Milton Kulifay
The Separation Of The Rare Earths Neodymium And Praseodymium By Precipitation As Chloride, Stanley Milton Kulifay
Masters Theses
"The purpose of this thesis is to provide a means of preparing highly purified samples of neodymium and praseodymium compounds when the material to be refined already exists in a state of approximate purity. The method described cannot be profitably used to purify the individual rare earths without first concentrating them. The process is not intended to be quantitative, for it is a fractional crystallization technique using a concentrated hydrochloric acid medium"--Introduction, page 1.