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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Oxidation of primary, secondary, and tertiary aliphatic amines with buffered permanganate /

Rawalay, Surjan Singh January 1962 (has links)
No description available.
12

Permanganate passivation of pyrite containing ores scale up and characterization /

Glover, Richard D. January 2007 (has links)
Thesis (M.S.)--University of Nevada, Reno, 2007. / "August, 2007." Includes bibliographical references (leaves 67-69). Online version available on the World Wide Web.
13

The effect and economics of the use of permanganate passivation on acid rock drainage as demonstrated in the EPA's multi-cell technology evaluation at the gild edge mine site /

Moncrieff, Vaughn Murray. January 2006 (has links)
Thesis (M.S.)--University of Nevada, Reno, 2006. / "August 2006." Includes bibliographical references (leaves 88-91). Online version available on the World Wide Web. Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2006]. 1 microfilm reel ; 35 mm.
14

Determination of the rate of contaminant oxidations by permanganate : implications for in situ chemical oxidation (ISCO) /

Waldemer, Rachel H. January 2004 (has links)
Thesis (M.S.)--OGI School of Science & Engineering at OHSU, 2004. / Includes bibliographical references (leaves 59-65).
15

Permanganate passivation a study of the longevity of the process and its behavior under different external conditions /

Vasquez, Felipe. January 2008 (has links)
Thesis (M.S.)--University of Nevada, Reno, 2008. / "December, 2008." Includes bibliographical references (leaves 61-62). Online version available on the World Wide Web.
16

Determination of oxidation mechanism of ethylenediaminetetraacetate (EDTA)-metal complexes by alkaline permanganate and structures of in situ formed manganese oxides containing heavy metals /

Chang, Hyun-Shik. January 2007 (has links)
Thesis (Ph. D.)--University of Washington, 2007. / Vita. Includes bibliographical references (leaves 173-183).
17

The crystal structure of caesium permanganate by x-ray diffraction

Nassimbeni, L R January 1963 (has links)
The crystal structure of caesium permanganate has been determined. CsMn0₄ crystallises in the orthorhombic space group Pnma. There are four molecules per unit cell with a = 10.0692 Å, b = 5.8080 Å, c = 7.9470 Å. The structure was determined by Fourier syntheses on the (010) and (001) projections and refined by two-dimensional difference syntheses. The structure is similar to that of KMn0₄. The manganese is surrounded by four oxygen atoms at an average distance of 1.629 Å arranged in a slightly distorted tetrahedron. The caesium is surrounded by eight manganese atoms at an average distance of 4.381 Å.
18

The thermal decomposition of irradiated silver permanganate

Sole, Michael John January 1959 (has links)
The thermal decomposition of silver permanganate, pre-irradiated in BEPO and in a ⁶°C₀ Ϫ 'hot spot' has been investigated in the temperature range 100 - 125°C. The results are similar to those for irradiated KMn0₄ and the mechanism proposed for the latter is again suggested. The activation energy for the migration of point defects over the induction period is 1.03 ev. The decompositions of unirradiated and irradiated crystals differ in that the latter undergo physical disintegration over the acceleratory period. X-ray studies immediately prior to disintegration show strain and fragmentation in the irradiated crystal. An explanation involving the annealing of point defects at dislocation is advanced to explain the changes produced in the p/t plots with increased dosage, and fixed decomposition temperature. Summary, p. 94.
19

Oxidation of pharmaceuticals and personal products by permanganate

Gibson, Sara Nichols 08 April 2010 (has links)
Pharmaceuticals and personal care products (PPCPs) are widely used, resulting in trace amounts being detected in the aquatic environment. This presence is of human health and ecological concern and it is necessary to determine the best methods to eliminate them from our waters. The oxidation of PPCPs by permanganate was evaluated using a spectrophotometer to monitor permanganate reduction. Thirty-nine compounds were chosen to represent numerous classifications, including beta blockers, cephalosporins, fluoroquinolones, macrolides, non-steroidal anti-inflammatory drugs, phenol structures, polypeptides, sulfonamides, tetracyclines, and triazines. The reactivity of each compound was determined by measuring the absorbance of permanganate over time as it reacted with an excess of the compound. The absorbance data was fit to a pseudo-first-order reaction model that accounted for the growth of manganese dioxide colloids. The most reactive groups that reduced permanganate within minutes at pH 7.0 were the cephalosporins, phenol structures, and tetracyclines. The majority of the remaining pharmaceuticals and personal care products were moderately or weakly reactive (reducing permanganate within hours). Caffeine, carbadox, monensin, simetone, and tri(2-carboxyethyl)phosphine were poorly reactive (reducing permanganate over days). Metoprolol was the only selected compound that was determined to be potentially non-reactive (no reaction after 1 day). Polarizability and refractive index of the organic compounds showed significant positive correlations (R-squared > 0.50) with the first-order reaction rates for non-steroidal anti-inflammatory drugs and the phenol structures group. The half-life of each PPCP was determined based on a typical dosage of permanganate used for pre-oxidation. Eleven of the thirty-nine PPCPs had a half-life of less than thirty minutes (a typical contact time), indicating that oxidation by permanganate may be a viable option. There are many opportunities for further research in this area, including investigating more PPCPs, physicochemical property correlations, and the impact of water quality conditions
20

An x-ray investigation of the thermal decomposition of unirradiated and irradiated silver permanganate.

Woods, Geoffrey Steward January 1963 (has links)
[From Introduction] The first step in the study of the thermal decompositions of solids is an examination of the kinetics, since this casts much light on the mechanism of the reaction. It must be borne in mind, however, that a theoretical expression, derived on the basis of a particular mechanism, even if it fits the observed experimental results, is not conclusive proof of the validity of the mechanism when applied to the decomposition under examination.

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