Physical Sciences and Mathematics Commons^™

Identification Of Carboxylic Acids As The Salts Of Benzylamine, Cora Louise Carson

Masters Theses

Molecular compounds have become of increasing interest in organic chemistry since they furnish a valuable group of derivatives for the identification of certain classes of organic compounds, notably, the aromatic hydrocarbons, the amines, and the phenols. In the identification of such compounds it should be pointed out, as Kamm has stated, that the reactions used in the identification of inorganic compounds, namely, color tests, precipitation of an insoluble compound, and decomposition with certain reagents, can be used merely as indications, not as final tests of identification. In identifying any single chemical individual Wise pointed out that it often becomes necessary …

Change Of Conductivity Of Silicic Acid Gels Upon Setting, Robert W. Gurry

Honors Theses

The problem of how electrical conductivity of colloidal sols changes during setting has been a source of much speculation for a long time. Work has been done upon a variety of sols and gels with various and oftentimes conflicting results. The purpose of this investigation was to find out whether the conductivity of a silicic acid sol changes during setting or not; and, if so, how it varies. It was also hoped that the results might lead definitely to some theory of gelation and gel structure.

Effect Of Silicic Acid Gel On The Determination Of Ph, Robert L. Griffeth

Honors Theses

The general purpose of this investigation, as well as many other investigations made on silicic acid gels at Union College, has been to obtain data which may help to formulate an idea of the gel structure and the process of setting of silicic acid gels. The specific object of the research was to determine whether or not the quinhydrone electrometric set-up for measuring the pH of a solution gives the correct pH of a solution in which there is silicic acid gel present. Since a large amount of data has been taken in connection with silicic acid gels in the …

Growth Of Large Crystals, Samuel Silberkraus

Honors Theses

This problem was undertaken with the purpose of investigating several methods of preparing large perfect crystals from solution. The crystals studied were those of Chrome Alum, Copper Sulfate and Rochelle Salt.

The Effect Of Various Indicators On The Time Of Set And Ph Of The Silicic Acid Gels, Antonia L. Digesero

Honors Theses

This work is a continuation of the work started by M. J. Suter. The first part of the work consisted in repeating with extreme accuracy the work already done. Next, the work was continued under the careful guidance of Professor Hurd. The method of determining the PH values of setting gels by indicators has long been in use. It is very useful, but not as accurate as the electrometric method, as the measurements can be made in a short time. The purpose of the research was to find out whether the gels affect the various indicators. This was done by …

Parachors Of Phenol-Amines In Solution, Edward Spreen

Masters Theses

Introduction:

The general procedure in this study was as follows:

1-To carefully prepare and purify the molecular compounds of phenol and the aromatic amines.

2-To determine their parachors in each of the components as solvents.

3-To redetermine the increment for the bond by comparison with the sum of the parachors, calculated and observed, of the two components.

4-To determine by the cryoscopic method the molecular weights of the molecular compounds in phenol as a solvent.

5-To attempt an explanation of the type of bond present in the light of the knowledge acquired by the investigation.

A Systematic Analysis Of The Schenectady City Water Supply, Chauncey Pease Foote

Honors Theses

A systematic analysis of the Schenectady City water supply was under-taken to determine whether the chemical composition of the water varied in any definite manner during the winter and spring. Particularly close check was kept on the composition during the period of spring freshets.

A Method Of Determining The Relative Thermal Conductivities Of Liquids, Lohr Arthur Burkardt

Bachelors’ Theses

This thesis concerns the development of apparatus suitable for the practical determination of the thermal conductivity of liquids. The data presented in the literature refers to the deter­mination of absolute conductivity values and-is very unsatisfactory from a practical point of view. The aim here has not been to furnish abso­lute data, but to provide a simple means of determining the relative conductivity of any series of liquids. Knowing such a set of rela­tive conductivities, absolute values can readily be calculated therefrom.

The aim has been to develop an apparatus that is simple enough to be constructed in the ordinary laboratory, …

Potentiometric Titration, S. Lillian Kern

Chemistry Honors Papers

This 27 page thesis contains a general description of the theory and technique of potentiometric titrations.

Titanous Chloride As A Standard Reducing Agent, Alfred R. Armstrong

Dissertations, Theses, and Masters Projects

No abstract provided.

Butyl And Ethanol Ethers Of The Ortho, Meta And Para Xenols., Mary Agatha O'Neill

Electronic Theses and Dissertations

No abstract provided.

Practical Vacuum Drying Theory., John W. Ridgway

Electronic Theses and Dissertations

No abstract provided.