Download or read book Determination of Strontium 90 in Drinking Water written by G. S. Petit and published by . This book was released on 1964 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Strontium in Drinking Water written by Alissa J. O'Donnell and published by . This book was released on 2014 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: The occurrence and distribution of stable strontium around the United States was not well documented. Data from both the United States Geological Survey and United States Environmental Protection Agency from the past 10 years resulted in 39,256 samples that showed strontium was widely distributed with pockets of very elevated levels (= 10 mg/L) located along the Gulf Coast for surface water and in the Midwest for groundwater. Strontium removal data from a number of full-scale ion exchange, iron removal/coagulation, lime softening, and iron-based adsorption plants were examined. Point-of-entry ion exchange and iron removal, and point-of-use reverse osmosis effectiveness were also studied. Cation exchange and lime softening were effective strontium removal strategies, while iron removal/coagulation and iron-based adsorption approaches were not. The effectiveness of conventional coagulation and lime softening treatments on the removal of strontium at the bench-scale was needed. Alum and iron coagulants were able to achieve 18% and 6.0% strontium removal, respectively, from surface water after 0.2 æm vacuum filtering. No significant change in strontium removal was observed with the increase of coagulant dose, initial strontium concentration, pH, or initial turbidity. Lime softening was able to achieve 77% strontium removal after 0.2 æm vacuum filtering. Higher strontium removal efficiencies were seen at higher lime dosages which corresponded to a higher final pH. No significant changes in strontium removal was observed with the increase of initial strontium concentration. Fundamental studies were conducted with nanopure water to find the mechanism(s) for the lime softening strontium removal efficiencies. When calcium was not initially added, no significant change in strontium removal was observed with the increase of pH or initial strontium concentration. When calcium was initially added, the strontium and calcium removals were significantly increased above pH 11 to 65% and 98%, respectively. When calcium was initially added, a low initial dissolved inorganic carbon greatly reduced both strontium and calcium removal efficiencies to 8.1% and 29%, respectively. Scanning electron microscope (SEM) images for the fundamental experiments at a pH of 11 showed high spherical vaterite, the least stable polymorph of calcium carbonate, is prevalent in the samples compared to rhombohedron calcite, the most stable polymorph. Strontianite was only found in the sample with the lowest initial calcium concentration. X-ray diffraction patterns revealed that vaterite was shifted, indicating that strontium could be replacing calcium inside the crystal lattice. SEM images also revealed clusters of minerals in a transitional phase at the lowest and highest initial calcium concentrations. The possible mechanism(s) for strontium removal during the lime-soda ash softening treatment process includes surface adsorption into calcium carbonate precipitates, coprecipitation with the calcium carbonate precipitations, or surface-solution ion exchange within calcium carbonate.

Download or read book Toxicological Profile for Strontium written by and published by . This book was released on 2004 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Strontium and Strontium Compounds written by Peter Watts and published by World Health Organization. This book was released on 2010-06-07 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: "IPCS, International Programme on Chemical Safety"--Cover.

Download or read book Occurrence and Distribution of Strontium in Natural Water written by Marvin Wilmer Skougstad and published by . This book was released on 1963 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Drinking Water and Its Effects on the Accumulation of Strontium Sr Calcium Ca and Several Other Elements in the Femur Bone of Wistar Kyoto Rats written by Cyril Nwaorie and published by . This book was released on 2010 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Measurement of Strontium 89 and Strontium 90 in Environmental Waters written by United States. Environmental Protection Agency. Office of Research and Development and published by . This book was released on 1976 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Determination of Strontium 90 and Caesium 137 in Drinking Water written by John Bonnyman and published by . This book was released on 1967 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Water Quality Standards Criteria Digest written by United States. Environmental Protection Agency and published by . This book was released on 1972 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Toxicological Profile for Strontium written by Department of Health & Human Services and published by . This book was released on 2001 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Survey of Analytical Methods for the Determination of Strontium in Natural Water written by Clarence Albert Horr and published by . This book was released on 1959 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Occurrence of Strontium in Natural Water written by Marvin Wilmer Skougstad and published by . This book was released on 1960 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Radioassay Procedures for Environmental Samples written by National Center for Radiological Health (U.S.) and published by . This book was released on 1967 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Strontium Contamination in the Environment written by Pankaj Pathak and published by Springer. This book was released on 2019-06-04 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an authoritative review of the origin and extraction of strontium and its impact on the environment. It also presents the latest strontium decontamination and remediation strategies. Around the globe, nuclear power is being recognized as a major source of energy and is expected to play a crucial role in meeting the energy requirements of present day society. However, the pros and cons have to be considered, and the safe disposal of large amounts of radionuclide wastes is becoming a matter of great concern. These wastes encompass contaminants such as heavy metals and toxic substances, which may exist in solid, liquid or gaseous forms or a combination of these, and as such, their disposal requires particular attention. The book focuses on 90Sr, which is a predominant isotope of strontium and considered an intermediate level radioactive waste with a half-life of 28.8 years, average biological half-life of 18 years and 546 KeV decay energy. Written by expert contributors, it addresses occurrence, detection and extraction of strontium, the chemical and nuclear properties of strontium isotopes, the fate and migration of strontium in soil, its bioaccumulation, and its associated health impact, mechanistic toxicity response as well as related regulation and remediation. It appeals to scholars, scientists and environmental managers working with strontium contamination in the environment and its consequences.

Download or read book Copper spark Method for Spectrochemical Determination of Strontium in Water written by Marvin Wilmer Skougstad and published by . This book was released on 1961 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Guidelines for Drinking water Quality written by World Health Organization and published by World Health Organization. This book was released on 1993 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume describes the methods used in the surveillance of drinking water quality in the light of the special problems of small-community supplies, particularly in developing countries, and outlines the strategies necessary to ensure that surveillance is effective.

Download or read book Strontium Distribution Coefficients of the Surficial Sediment Samples from the Idaho National Engineering Laboratory Idaho written by Michael J. Liszewski and published by . This book was released on 1997 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: