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Tuesday, July 28, 2020 | History

1 edition of Reducing agents in volumetric analysis, with special reference to stannous perchlorate .. found in the catalog.

Reducing agents in volumetric analysis, with special reference to stannous perchlorate ..

Waldemar Stanwood McGuire

Reducing agents in volumetric analysis, with special reference to stannous perchlorate ..

by Waldemar Stanwood McGuire

  • 152 Want to read
  • 19 Currently reading

Published .
Written in English


The Physical Object
Pagination[4], 45 p.
Number of Pages45
ID Numbers
Open LibraryOL25577567M

Perchlorate Analysis Using Ion Chromatography and Suppressed Conductivity Detection Linda Lopez, Ph.D. Thermo Fisher Scientific, Sunnyvale, CA, USA White Paper Executive Summary Ion chromatography (IC) is recognized as an effective tool for the determination of perchlorate in drinking water and other sources. PHARMACEUTICAL CHEMISTRY. Inorganic pharmaceutical & medicinal chemistry. Importance of inorganic compounds in pharmacy and medicine; An outline of methods of preparation, uses, sources of impurities, tests for purity and identity, including limit tests for iron, arsenic, lead, heavy metals, chloride, sulphate and special tests if any, of the following classes of inorganic pharmaceuticals.

  A new IC-ESI-MS/MS method, with simple sample preparation procedure, has been developed for quantification and confirmation of perchlorate (ClO 4 −) anions in water, fresh and canned food, wine and beer samples at low part-per-trillion (ng l −1) the best of our knowledge, this is the first time an analytical method is used for determination of perchlorate in wine and beer samples.   Among the dissimilatory perchlorate reducing bacteria, D. agitata strain CKB is the only perchlorate reducing bacterium that cannot grow by nitrate reduction because nitrite accumulates in the system. A single perchlorate reductase is believed to catalyze reduction of both nitrate and perchlorate in .

I.A. Reference Dose for Chronic Oral Exposure (RfD) Substance Name — Perchlorate and Perchlorate Salts CASRN Ammonium perchlorate CASRN Lithium perchlorate CASRN Potassium perchlorate CASRN Sodium perchlorate Section I.A. . A method of labelling red cells using (99)Tc(m)O(4) (-) with a small amount of stannous chloride has been evaluated in 20 patients, and compared with measurements of red-cell volume with (51)Cr.


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Reducing agents in volumetric analysis, with special reference to stannous perchlorate . by Waldemar Stanwood McGuire Download PDF EPUB FB2

The reducing agents commonly used in Volumetric Analysis have been considered, and their uses, advantages and objections stated. Stannous Chloriie has been considered somewhat more in detail.

Stannous Perchlorate has been prepared, its comparative stability measured, and its behavior with various commonly used oxidizing agents investigated. Reducing agents in volumetric analysis, with special reference to stannous perchlorate. Item PreviewPages: Reducing agents in volumetric analysis, with special.

Reducing agents in volumetric analysis, with special reference to stannous perchlorate. by McGuire, Waldemar Stanwood. texts. eye 1, favorite 0 A comparative analysis of twenty-one mathematics textbooks at the eighth-grade level.

Thorburn Burns, F. Szabadváry, in Encyclopedia of Analytical Science (Second Edition), Volumetric Analysis (Titrimetry) Volumetric analysis (titrimetry) was developed as a control method in the textile industry in the eighteenth century for determining potash, sulfuric acid, and, later, hypochlorite, all solutions used in textile bleaching.

The first methods developed were for. Many perchlorate-reducing Azospirillum spp., a group of α-Proteobacteria, have also been isolated recently. Acetate is an electron donor commonly used to isolate perchlorate-reducing bacteria. Strains of Dechloromonas spp.

and Dechlorosoma spp. can use lactate, and strains of Dechlorosoma spp. can use ethanol as an electron donor (12, 21). Volumetric analysis, any method of quantitative chemical analysis in which the amount of a substance is determined by measuring the volume that it occupies or, in broader usage, the volume of a second substance that combines with the first in known proportions, more correctly called titrimetric analysis (see titration).

The first method is exemplified in a procedure devised by a French. What is Volumetric Analysis. Volumetric analysis is a quantitative analytical method which is used widely.

As the name suggests, this method involves measurement of the volume of a solution whose concentration is known and applied to determine the concentration of the analyte. Volumetric Analysis. Volumetric Analysis Volumetric analysis is one of the most useful analytical techniques.

It is fairly rapid and very good accuracy can be obtained. Volumetric Analysis Titration also known as titrimetry. a common laboratory method of quantitative chemical analysis that is used to determine the unknown concentration of an identified analyte.

A perchlorate is a chemical compound containing the perchlorate ion, ClO − majority of perchlorates are commercially produced salts. They are mainly used for propellants, exploiting properties as powerful oxidizing agents and to control static electricity in food packaging.

Perchlorate contamination in food, water, and other parts of the environment has been studied in the U.S. because. Volumetric analysis definition, determination of the concentration, by volume, of a substance in a solution, as by titration.

See more. The analytical method wherein the concentration of a substance in a solution is estimated by adding exactly the same number of equivalents of another substance present in a solution of known concentration is called volumetric analysis.

Read the different methods of Volumetric Analysis. Secondary reference materials for volumetry Proper titer determination is an important prerequisite for accurate and comparable analysis in the titration laboratory. Titration results are influenced by the volumetric solution itself, the measuring temperature, the equipment and the handling.

In volumetric analysis, a chemical called a titrant is added to a solution of unknown concentration called analyte (titrand) together with an indicator that will mark the time at which all of the analyte has been reacted.

At this point, the analyst can determine how much analyte is originally present from the. VOLUMETRIC ANALYSIS Volumetric Analysis is a method of analysis based on titration. Titration is a procedure for determining the amount of a particular substance A by adding a carefully measured volume of a solution with a known concentration of B until the reaction is complete.

EUROPEAN PHARMACOPOEIA Volumetric solutions M Barium perchlorate. Dissolve g ofbarium hydroxide Rin a mixture of mL of perchloric acid Rand 75 mL ofwater R, adjust the solution to pH 3 by addingperchloric acid Rand filter if mL of ethanol (96 per cent) Rand dilute to mL with water to mL withbuffer solution pH R.

its strength as an oxidizing agent, perchlorate is nonlabile, that is, very slow to react. This kinetic bar-rier is well known and widely made use of in chemical studies. Common reducing agents do not reduce per-chlorate, and common cations do not precipitate it. Consequently, standard practices of water treatment Perchlorate Chemistry.

Perchlorate is widely used as the oxidizer component in solid propellant for rockets, munitions, and fireworks. The risk of perchlorate contamination and its adverse health effects have raised concerns for soil, ground water, and drinking water.

The presence of a reducing and oxidizing agent in the chlorinating gas mixtures influenced the chlorination reactions of both iron oxides, during non-isothermal treatment, only at temperatures. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid.

Ammonium metavanadate is a weak oxidizing agent, and may react with strong or weak reducing agents to generate heat and products that may be flammable, combustible, or otherwise reactive.

Volumetric analysis is a widely-used quantitative analytical method. As the name implies, this method involves the measurement of volume of a solution of known concentration which is used to determine the concentration of the analyte.

Prepare a solution from an accurately weighed sample to +/- g of the material to be analyzed. Hydrogen autotrophic reduction of perchlorate have advantages of high removal efficiency and harmless to drinking water.

But so far the reported information about the microbial community structure was comparatively limited, changes in the biodiversity and the dominant bacteria during acclimation process required detailed study.

In this study, perchlorate-reducing hydrogen .Reducing agents in volumetric analysis, with special reference to stannous perchlorate. by McGuire, Waldemar Stanwood. texts. eye 1, Anthology of magazine verse for and year book of American poetry. by Braithwaite, William Stanley.