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Development of automated on-line ion exchange systems for the determination of chemical speciation of trace metals in natural waters

Creator:: Liu, Yan
Abstract:: An automated on-line ion exchange trace enrichment system has been developed to improve the detection limits of flame atomic absorption (AA) spectrophotometry in the determination of trace metals in natural waters. The sample solution is passed through a column of Chelex-100 chelating resin by a carrier buffer stream delivered from...
Resource Type:: Dissertation
Full Text:: . Leppard, G.G., Editor, "Trace Element Speciation in Surface Waters and Its Ecological Implications

Studies of chemical speciation of trace metals in natural waters using an on-line electrochemical cell and ion exchange system

Creator:: Sule, Pushkar Anant
Resource Type:: Masters Thesis
Full Text:: , 24, 243-254. 6. Batley, G. E. In "Trace Element Speciation in Surface Waters and Its Ecological

Indoor/outdoor atmospheric trace element abundances

Creator:: Cheung, Isabella Shiu Wing
Abstract:: The atmospheric trace element abundances associated with "indoor" and '"outdoor" air particulate have been measured for university chemistry laboratories, typical homes, modern office buildings, hospital and automobile repair garages in a rural setting (Corvallis, Oregon) and modern office buildings in an urban setting (Portland, Oregon). Samples of atmospheric particulate matter...
Resource Type:: Masters Thesis
Full Text:: Indoor/outdoor atmospheric trace element abundances AN

Variations in trace element abundances in small fragments from a single terrestrial basaltic flow : applications to 59 Apollo-17 mare basaltic fragments

Creator:: Rivera, Maria Rita Dacanay
Abstract:: Eleven hand specimen whole rock (WR) samples (25-200 g each) and 33 fragments (0.5-0.8 g each) from a single basaltic flow at Picture Gorge, Oregon were analyzed via instrumental neutron activation analysis (INAA) for 12 elements (Na, Fe, Cr, Sc, Co, La, Sm, Eu, Yb, Lu, Hf and Ta). Standard...
Resource Type:: Masters Thesis
Full Text:: Variations in trace element abundances in small

The application of some ion exchange theories to the adsorption of trace elements

Creator:: Gile, Herman Schuyler
Resource Type:: Masters Thesis
Full Text:: flow rate were the operating variables studied. Trace element concentration in the feed vas

Atmospheric trace element abundances associated with slash burning

Creator:: Ungerer, Carl Andre
Abstract:: The atmospheric trace element abundances associated with slash burning have been measured by instrumental neutron activation analysis (INAA). On site ground level samples were collected during the slash burning season using high volume samplers and a cascade impactor. In addition to the air samples, soil, wood and ashed wood samples...
Resource Type:: Masters Thesis
Full Text:: Chemistry presented on March 20, 1981 Title: ATMOSPHERIC TRACE ELEMENT ABUNDANCES ASSOCIATED WITH SLASH

The geochemical partitioning and bioavailability of trace metals in marine sediments

Creator:: Oakley, Stewart M.
Abstract:: Trace metals in the aquatic environment are generally concentrated on the surface of solid geochemical phases which eventually become incorporated into estuarine and marine sediments. The mechanism of trace metal concentration is believed to be adsorption with various geochemical phases such as hydrous metal oxides, clays, and organic matter. Metals...
Resource Type:: Dissertation
Full Text:: trace metals in marine sediments 1 AN ABSTRACT OF THE THESIS OF Stewart M. Oakley for the degree of

The concentration and oxidation state of chromium in sea water

Creator:: Stanford, Harold Milford
Resource Type:: Masters Thesis
Full Text:: understand the behavior of a trace element in sea water, it is necessary to know its chemical and physical

Trace metals in phytoplankton from an area of coastal upwelling

Creator:: Pequegnat, John Eugene
Abstract:: Short-term changes in the distribution, surface to 10 meters, of phytoplankton-associated trace metals (Fe, Mn, Cr, Zn, Co, Ni, and Cu) were studied in the near-shore waters off Humboldt Bay, California, through the summer of 1971. The depth distribution of phytoplankton-associated trace metals was related to local hydrography. During periods...
Resource Type:: Dissertation
Full Text:: INTRODUCTION 1 MATERIALS AND METHODS 11 Sampling Procedure 11 Sample Preparation 14 Trace Element Analysis 15

The minor elements in soil fertility and plant nutrition

Creator:: Oregon State College. Agricultural Experiment Station and Powers, W. L. (Wilbur Louis), 1887
Abstract:: Published December 1937. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: order to determine the essentiality of a trace element it may be neoesssary to grow large numbers of

ScholarsArchive@OSU

Development of automated on-line ion exchange systems for the determination of chemical speciation of trace metals in natural waters

Studies of chemical speciation of trace metals in natural waters using an on-line electrochemical cell and ion exchange system

Indoor/outdoor atmospheric trace element abundances

Variations in trace element abundances in small fragments from a single terrestrial basaltic flow : applications to 59 Apollo-17 mare basaltic fragments

The application of some ion exchange theories to the adsorption of trace elements

Atmospheric trace element abundances associated with slash burning

The geochemical partitioning and bioavailability of trace metals in marine sediments

The concentration and oxidation state of chromium in sea water

Trace metals in phytoplankton from an area of coastal upwelling

The minor elements in soil fertility and plant nutrition

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