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Gas Chromatographic Determination Of Dissolved Oxygen In Sea Water Using Argon As Carrier Gas
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Book Synopsis Gas Chromatographic Determination of Dissolved Oxygen in Sea Water Using Argon as Carrier Gas by : Kilho Park
Download or read book Gas Chromatographic Determination of Dissolved Oxygen in Sea Water Using Argon as Carrier Gas written by Kilho Park and published by . This book was released on 1964 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: A modification of the gas chromatographic method of Swinnerton, Linnenbom, and Cheek for the determination of dissolved oxygen in sea water is presented. Argon is used as the carrier gas. Relative standard deviation obtained by the modified method is = 1.4 per cent for surface sea water samples. One analysis takes four minutes. (Author).
Book Synopsis Statistical Evaluation of Gas Chromatography for the Determination of Dissolved Gases in Sea Water by : V. J. Linnenbom
Download or read book Statistical Evaluation of Gas Chromatography for the Determination of Dissolved Gases in Sea Water written by V. J. Linnenbom and published by . This book was released on 1966 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: A gas chromatographic method developed by the authors for the determination of dissolved gases in sea water has been evaluated with respect to precision and accuracy by comparison with other methods. Both laboratory and shipboard measurements were employed in the evaluation. Dissolved oxygen analyses made at sea under routine conditions of operation over a period of two weeks indicate statistically significant differences in precision for the three methods tested: gas chromatography (plus or minus 1.8%), standard Winkler method (plus or minus 1.0%), and a modification of the Winkler method (plus or minus 0.51%). No significant bias was found between gas chromatography and the improved Winkler method; a small but statistically significant bias ( -1%) was found for the standard Winkler method relative to the other two. From a practical point of view, these differences are not considered important for routine survey operations. The dissolved N2 data obtained by gas chromatography are grouped about a mean value of 100% saturation, with approximately 95% of the values falling within (100 plus or minus 5)% saturation. The advantages of gas chromatography (routine analyses by relatively nonskilled personnel to obtain simultaneous measurements of more than one gas on a small volume of liquid) are felt to be sufficient to warrant its further use in oceanography. (Author).
Book Synopsis Determination of Dissolved Oxygen and Nitrogen in Sea Water by Gas Chromatography by : James P. Sullivan
Download or read book Determination of Dissolved Oxygen and Nitrogen in Sea Water by Gas Chromatography written by James P. Sullivan and published by . This book was released on 1963 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissolved Gases and Total Inorganic Carbon in Seawater by : Ray Franklin Weiss
Download or read book Dissolved Gases and Total Inorganic Carbon in Seawater written by Ray Franklin Weiss and published by . This book was released on 1970 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A System for the Analysis of Dissolved Oxygen, Nitrogen, and Argon in Natural Waters by : W. Gary Williams
Download or read book A System for the Analysis of Dissolved Oxygen, Nitrogen, and Argon in Natural Waters written by W. Gary Williams and published by . This book was released on 1968 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete system has been developed for the shipboard analysis of dissolved oxygen, argon and nitrogen. The system includes an in situ sampler, chromatographic analysis for oxygen, argon and nitrogen and three modes of calibration. The system has been tested in the laboratory and at sea. Estimations of the composition of argon, oxygen and nitrogen in dry air and in air-saturated water are reported. Sea trials indicated that thermistor detectors should be used in the chromatograph instead of hot-filament detectors. (Author).
Book Synopsis Shipboard Determination of Dissolved Gases in Sea Water by Gas Chromatography by : J. W. Swinnerton
Download or read book Shipboard Determination of Dissolved Gases in Sea Water by Gas Chromatography written by J. W. Swinnerton and published by . This book was released on 1962 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas chromatography was used for the routine determination of dissolved O and N in sea water. Previously, dissolved O was determined aboard ship by the standard Winkler chemical method, but dissolved N analyses were seldom made, since the manometric techniques employed were extremely difficult to carry out because of the motion of the ship. To obtain dissolved N data thus required that hundreds of samples of sea water be stored in tightly stoppered containers until the analyses could be carried out at a shorebased laboratory. The feasibility of the gas chromatographic method has been established for routine shipboard determination of dissolved gases in sea water. The method is less time consuming, sample size is reduced, no loss is experienced in either precision or sensitivity, and the instrumentation is relatively simple. In addition, the method is largely automatic and the recorded results can be analyzed at some later and more convenient time. (Author).
Book Synopsis Gas-chromatographic Separations of Rare Gases by : Chalon L. Carnahan
Download or read book Gas-chromatographic Separations of Rare Gases written by Chalon L. Carnahan and published by . This book was released on 1961 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Dissolved Oxygen in Natural and Waste Waters by : Khalil Hasny Mancy
Download or read book Analysis of Dissolved Oxygen in Natural and Waste Waters written by Khalil Hasny Mancy and published by . This book was released on 1966 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A comprehensive discussion of the various methods of analysis for dissolved oxygen in natural and waste waters is presented. Special emphasis is given to pointing out the applicability and limitations of each method. Several titrimetric methods and micro techniques are described. Manometric, gas-exchange, gas chromatographic, radiometric, and polarographic techniques and galvanic and membrane electrodes are among the instrumental methods discussed. In situ measurements of the activity of molecular oxygen are claimed to be more significant than concentration measurements. Examples of laboratory and field studies are given."--P.vii.
Book Synopsis Oceanography by : Defense Documentation Center (U.S.)
Download or read book Oceanography written by Defense Documentation Center (U.S.) and published by . This book was released on 1969 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Gas Chromatographic System for Dissolved Organic Carbon Analysis in Seawater. Annual Progress Report by :
Download or read book Development of Gas Chromatographic System for Dissolved Organic Carbon Analysis in Seawater. Annual Progress Report written by and published by . This book was released on 1992 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the first six months of this two-year grant, we have completed the construction of the analytical portion of a prototype gas chromatograph-based system for the analysis of dissolved organic carbon in seawater. We also have begun testing the procedures to be used to cryogenically concentrate and transfer carbon dioxide from the oxidizing atmosphere of the high-temperature furnace into the reducing hydrogen carrier gas of the gas chromatograph. During the second half of the first year, we will construct the high-temperature catalytic oxidation furnace and test the entire system on laboratory-prepared aqueous solutions of various organic compounds. Also during this period, we will take part in an initial scoping study within the Cape Hatteras field area on board the R/V Gyre. This study will involve both the collection of samples of seawater for organic and inorganic carbon analysis and the measurement of surface-water pCO2.
Book Synopsis Evaluation of Gas Chromatography for the Determination of Dissolved Gases in Sea Water by : V. J. Linnenbom
Download or read book Evaluation of Gas Chromatography for the Determination of Dissolved Gases in Sea Water written by V. J. Linnenbom and published by . This book was released on 1965 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Survey Water-supply Paper by :
Download or read book Geological Survey Water-supply Paper written by and published by . This book was released on 1968 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Gas Chromatographic System for Dissolved Organic Carbon Analysis in Seawater by :
Download or read book Development of Gas Chromatographic System for Dissolved Organic Carbon Analysis in Seawater written by and published by . This book was released on 1992 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the first six months of this two-year grant, we have completed the construction of the analytical portion of a prototype gas chromatograph-based system for the analysis of dissolved organic carbon in seawater. We also have begun testing the procedures to be used to cryogenically concentrate and transfer carbon dioxide from the oxidizing atmosphere of the high-temperature furnace into the reducing hydrogen carrier gas of the gas chromatograph. During the second half of the first year, we will construct the high-temperature catalytic oxidation furnace and test the entire system on laboratory-prepared aqueous solutions of various organic compounds. Also during this period, we will take part in an initial scoping study within the Cape Hatteras field area on board the R/V Gyre. This study will involve both the collection of samples of seawater for organic and inorganic carbon analysis and the measurement of surface-water pCO[sub 2].
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods for Chemical Analysis of Fresh Waters by : H. L. Golterman
Download or read book Methods for Chemical Analysis of Fresh Waters written by H. L. Golterman and published by . This book was released on 1970 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sport Fishery Abstracts written by and published by . This book was released on 1965 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report of NRL Progress by : Naval Research Laboratory (U.S.)
Download or read book Report of NRL Progress written by Naval Research Laboratory (U.S.) and published by . This book was released on 1961 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
