Download or read book Chapter XII Sampling and Instrumental Identification of Water Formed Deposits written by and published by . This book was released on 1969 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pure water in an uncorrodible vessel would never leave a deposit. Although this ideal case has been very nearly reached in some instances, deposits are still found in most water or steam systems. The examination and analysis of these deposits provides the person responsible for water treatment with information about phenomena in the water system, and will frequently indicate to him the means for correcting the condition that caused the deposit.
Download or read book Manual on Water written by and published by ASTM International. This book was released on 1969 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chapter VIII Sampling and Identification of Water Formed Deposits written by and published by . This book was released on 1960 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pure water in an uncorrodible vessel would never leave a deposit. Although this ideal case has been very nearly reached in some instances, deposits are still found in most water or steam systems. The examination and analysis of these deposits provides the person responsible for water treatment with information about phenomena in the water system, and will frequently indicate to him the means for correcting the condition that caused the deposit. This chapter covers the nature of water-formed deposits, the sampling of deposits for analysis, and methods for identification of the constituents of a deposit. Quantitative chemical analysis is dealt with in Chapter IX. Some of the instrumental methods discussed in this chapter are not at present widely used in the examination of water-formed deposits, but brief descriptions are included because there are instances where they can be used to advantage. Deposits may be divided into three general classes: inorganic, organic, and biological. Inorganic deposits result from corrosion of containing surfaces; from precipitation by chemical reaction between two or more constituents of the water; or precipitation from physical causes, such as change in solubility with pressure or temperature, by evaporation to dryness, or by relief of supersaturation. Closely akin to these, but still somewhat distinct, is the sedimentation of suspended matter.
Download or read book Manual on Industrial Water and Industrial Waste Water written by and published by . This book was released on 1969 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ASTM Special Technical Publication written by and published by . This book was released on 1969 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Identification by Instrumental Methods of Chemical Compounds in Water Formed Deposits written by C. M. Maddin and published by . This book was released on 1960 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: A combination of elemental and direct instrumental analyses has proved most successful for identifying the chemical compounds present in water-formed deposits. Qualitative X-ray diffraction analysis may be enhanced by improving resolution of lines, concentrating minor constituents, and converting amorphous compounds to crystalline form. Quantitative X-ray diffraction is accomplished with the aid of calcium fluoride as an internal standard, to compensate for absorption of X-rays by the deposit sample. Petrographic thin section techniques provide unique advantages for studying layers of deposition directly. Distinctive infrared absorption spectra have been obtained for phosphate, carbonate, and silicate compounds, which should aid in deposit identification. A wide variety of deposits undergo thermal reactions to give characteristic differential thermal analysis patterns. Thermal reactions taking place in steam atmospheres aid in the identification of hydrates; compounds which form carbonates are more easily detected in carbon dioxide atmospheres; and oxygen atmospheres bring about thermal reactions in compounds susceptible to oxidation. Although instrumental methods are extremely useful and may be expected to increase in utility, elemental analysis must still be relied on in difficult cases.
Download or read book Journal of the American Water Works Association written by American Water Works Association and published by . This book was released on 1971 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 2012- contain only executive summaries of articles.
Download or read book Standard Methods for the Examination of Water and Wastewater written by American Public Health Association and published by . This book was released on 1981 with total page 1254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings American Society for Testing and Materials written by American Society for Testing and Materials and published by . This book was released on 1970 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. 61-66 include technical papers.
Download or read book Industrial Water Engineering written by and published by . This book was released on 1978 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1989 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1989 with total page 1322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ASTM Bulletin written by and published by . This book was released on 1947 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bulletin written by American Society for Testing Materials and published by . This book was released on 1960 with total page 874 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes list and announcements of the society's publications.
Download or read book Model Rules of Professional Conduct written by American Bar Association. House of Delegates and published by American Bar Association. This book was released on 2007 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Model Rules of Professional Conduct provides an up-to-date resource for information on legal ethics. Federal, state and local courts in all jurisdictions look to the Rules for guidance in solving lawyer malpractice cases, disciplinary actions, disqualification issues, sanctions questions and much more. In this volume, black-letter Rules of Professional Conduct are followed by numbered Comments that explain each Rule's purpose and provide suggestions for its practical application. The Rules will help you identify proper conduct in a variety of given situations, review those instances where discretionary action is possible, and define the nature of the relationship between you and your clients, colleagues and the courts.
Download or read book Geophysical Abstracts written by and published by . This book was released on 1949 with total page 994 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Code of Federal Regulations written by and published by . This book was released on 1997 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:
