Download or read book A gas chromatographic method for determination of dissolved gases in water written by W. J. Holtslander and published by . This book was released on 1969 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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).
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).
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:
Download or read book The Analysis of Gases by Chromatography written by C. J. Cowper and published by Elsevier. This book was released on 2013-10-22 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intended to enable trained scientists to equip themselves to successfully perform analyses of complex gas mixtures. The equipment and the considerations governing the choice of carrier gas are described in detail. Selection of methods for use on complex mixtures often involves the choice of more than one column; the separating capabilities of column packing and how they can be used in combinations are described and numerous examples are given. The handling of samples prior to separation and the calculation of results after separation, including calibration, are described. Throughout, special emphasis is given to the differences between gas analysis and the better documented liquid analysis.
Download or read book Field Analysis of Dissolved Gases in Lake Waters by Gas Chromatography written by DAJ Murray and published by . This book was released on 1975 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Equipment for the analysis in the field of dissolved gases in lake waters by gas chromatography is described. It is portable and can be battery operated. Water from the required depth is pumped continuously through a small glass stripping device. It is equilibrated with flowing helium and the gases introduced into the gas chromatograph by a sample loop. Problems of oxygen and carbon dioxide invasion and degassing of supersaturated gases are avoided. The method will measure from 2 to 1000 micromoles/liter of carbon dioxide.
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).
Download or read book Liquefied Petroleum Gases Determination of Dissolved Residues High Temperature Gas Chromatographic Method written by British Standards Institute Staff and published by . This book was released on 1917-08-16 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gravimetric analysis, Liquefied petroleum gas, Determination of content, Liquefied gases, Petroleum products, Gas chromatography, Reproducibility, High temperatures, Chemical analysis and testing, Evaporation residue determination, Test equipment
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:
Download or read book Liquefied petroleum gases Determination of dissolved residues High temperature Gas chromatographic method written by and published by . This book was released on 2008 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Liquefied Petroleum Gases Determination of Dissolved Residue Gas Chromatographic Method Using Liquid On Column Injection written by British Standards Institute Staff and published by . This book was released on 1913-10-31 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquefied petroleum gas, Petroleum products, Liquefied gases, Chemical analysis and testing, Determination of content, Evaporation residue determination, Gravimetric analysis, Gas chromatography, High temperatures, Test equipment
Download or read book Determination of Nitrogen and Oxygen Mass Transfer by Gas Chromatographic Techniques written by Torleiv Bilstad and published by . This book was released on 1977 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Determination of Volatile Organic Compounds at the micro g 1 Level in Water by Gas Chromatography written by Thomas A. Bellar and published by . This book was released on 1974 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gas Chromatography written by A. B. Littlewood and published by . This book was released on 1970 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solubility and Rate of Solution of Gases written by Sidney Lionel Neave and published by . This book was released on 1924 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the Symposium on Natural Attenuation of Chlorinated Organics in Ground Water written by and published by DIANE Publishing. This book was released on 1996 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gas Chromatography written by Brian Stuart and published by Royal Society of Chemistry. This book was released on 2003 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book looks at gas chromatography, the most widely used technique in analytical chemistry.
