water chemistry analysis Articles

  • Multiscale Drivers of Water Chemistry of Boreal Lakes and Streams

    Abstract The variability in surface water chemistry within and between aquatic ecosystems is regulated by many factors operating at several spatial and temporal scales. The importance of geographic, regional-, and localscale factors as drivers of the natural variability of three water chemistry variables representing buffering capacity and the importance of weathering (acid neutralizing ...


  • Chemistry of Chlorine Application and Production for the Disinfection of Water and Wastewater

     ABSTRACT A thorough understanding of chlorine and sodium hypochlorite chemistry is essential in optimizing their usage in disinfection of water and wastewater. High price of both chemicals and hazards involved in their transportation to plant sites have prompted many utilities to consider generation of these chemical on-site. A detailed discussion of the critical engineering concepts ...

  • Spain Clinical Chemistry and Immunodiagnostics Market Next 5 Year forecast & Analysis

    ReportsnReports.com adds report 2014 Strategies for the Spanish Clinical Chemistry and Immunodiagnostics Market to its store. 2014 Strategies for the Spanish Clinical Chemistry and Immunodiagnostic Market is a new strategic analysis of major business opportunities emerging in the Spanish clinical chemistry and immunodiagnostic markets during the next five years. The report explores future trends ...


  • Geostatistical Analysis for Hydrogeochemical Characterization of the Han River, Korea: Identification of Major Factors Governing Water Chemistry

    The Han River is the largest river in South Korea in terms of its length, drainage and mean annual discharge. The river is of importance for cultural and economic reasos because it is a unique source of drinking water for more than 20 million people living in Seoul and its surrounding areas. Intensive industrial development in Seoul during the last four decades has greatly increased the risk for ...


    By Springer

  • Principal Component Analyses of Groundwater Chemistry Data During Enhanced Bioremediation

    Abstract  A bioremediation project has been monitored for two years at a former sour gas plant site that had ethanolamine, glycol and their degradation products in the subsurface. The active enhanced bioremediation program consisted of dewatering and bioventing. An extensive groundwater monitoring program mapped the distribution of chemical species. Principal component analysis was used to ...


  • Ion chemistry of waters impounded by the Ziqlab dam, Jordan, and weathering processes – a case study

    The area included in the present investigation is that surrounding Ziqlab dam in the northern Jordan Valley. The water chemistry of the impounded lake shows that it is dominated by Mg, Ca, Na and HCO3. These waters reflects the dominance of carbonate weathering with some contribution of silicates. Mg + Ca + Na and HCO3 + Cl account for about 90% of the total ...


    By Inderscience Publishers

  • News on Food 2013, Volume 1: Food Safety and Food Chemistry of Fat Matrices

    Analytical testing is used in the production of worldwide food supply from raw materials and ingredients, to finished and packaged goods. This testing primarily serves two purposes: to determine nutritional value and quality, and to guarantee safety. Sigma-Aldrich®, through its Supelco® and Fluka® brands, is very active in product development for food and beverage analysis. ...


    By MilliporeSigma

  • Life cycle analysis of two Hungarian drinking water arsenic removal technologies

    Determining a technology's merit as a solution to Hungarian drinking water arsenic contamination goes beyond technical concerns: environmental and economic aspects also play very important roles. In an effort to address the current arsenic drinking water requirements in Hungary, life cycle analysis (LCA) methodology was applied on two example arsenic removal technologies, ...


    By IWA Publishing

  • Discrete or Continuous Flow Analysis – which is better?

    A wide variety of factors affect the choice of analytical instrument. These include target workload (samples/hour), variety of chemistries, methods required, bench space, staff availability etc. In the following article Lalicia Potter, Technical Sales & Support Director at SEAL Analytical, examines one of the common decisions facing laboratory managers. As the manufacturer of an ...

  • The Chemical Safety Improvement Act: An In-Depth Review and Analysis

    In a stunning bipartisan show of support for reform of the Toxic Substances Control Act (TSCA) that few saw coming, Senators David Vitter (R-LA) and Frank Lautenberg (D-NJ) (among bipartisan others) introduced on May 22, 2013, the Chemical Safety Improvement Act (CSIA), later designated S. 1009, available online. ...


    By Bergeson & Campbell, P.C.

  • Water Sustainability

    I7.1  | Water Optimization – 30% Groundwater Use Reduction Tabatha Pellerin, Senior Program Manager, AECOM AECOM assisted the Entergy Lewis Creek gas/coal fired electric power plant with water conservation efforts prompted by a goal of 30% ...

  • Geochemical classification of groundwater using multivariate statistical analysis in Latvia

    Multivariate statistical methods – principal component analysis (PCA) and hierarchical cluster analysis (HCA) – are applied to identify geochemically distinct groundwater groups in the territory of Latvia. The main processes observed to be responsible for groundwater chemical composition are carbonate and gypsum dissolution, fresh and saltwater mixing and ion exchange. On the basis of major ...


    By IWA Publishing

  • Instrumentation, methods & analysis tools for comprehensive condenser testing, monitoring & troubleshooting

    Abstract Proper monitoring philosophy in combination with available, accurate and reliable instrumentation for comprehensive condenser performance testing, monitoring and troubleshooting is presented. Practical engineering guidance resulting from the use of advanced instrumentation with proven utility has contributed to the identification of new beneficial performance indicators. ...


    By Intek, Inc.

  • Maintaining regulatory method compliance while automating oil and grease analysis

    Regulatory compliance is at the heart of environmental analyses throughout the world. While some regulatory systems provide more flexibility in the methodology used for measuring contaminants, the goal is to gain reliable information that can be used for decision-making. Oil and grease measurement is a simple and important measurement of water quality, but time consuming1. Methods such as US EPA ...


    By Horizon Technology, Inc.

  • Europe Drugs of Abuse Testing Market Next 5 Year Forecast & Analysis

    ReportsnReports.com adds report 2014 Strategies for the European Drugs of Abuse Testing Market to its store. This new report provides a comprehensive analysis of the European drug of abuse testing market, including emerging tests, technologies, instrumentation, sales forecasts, market shares, and strategic profiles of leading suppliers. The report provides test volume and sales ...


  • LIMS and the Automation of the Water Lab

    (Reproduced by permission from Laboratorium Magazine) Europe’s most modern water lab is located in Leeuwarden, in the Netherlands. Vitens made a big splash when it brought this modern building, with its transparent design, into operation in January 2005. Many colleagues from Dutch and foreign labs are eager to visit this installation, where water control samples are routed automatically with the ...


    By STARLIMS Corporation

  • Understanding a component of industrial papermaking and its pollution load through the application of multivariate analysis

    A multivariate analysis technique was used to characterise the interrelationships between the input variables involved in industrial papermaking in order to predict the corresponding wastewater load. The root causes of increasing water pollution load were found to be associated with reprocessing of paper products, pulp stock composition, and inconsistent chemistry for coating operations and paper ...


    By Inderscience Publishers

  • Ground Water Sampling for Metal Analyses

    The Regional Superfund Ground Water Forum is a group of ground-water scientists, representing EPA’s Regional Superfund Offices, organized to exchange up-to-date information related to ground-water remediation at Superfund sites. Filtration of ground-water samples for metals analysis is an issue identified by the Forum as a concern of Superfund decisionmakers. Inconsistency in EPA Superfund ...


    By QED Environmental Systems

  • The Effectiveness of Intrawell ground water monitoring statistics

    Abstract   The reality of the new statistical evaluation requirements for ground water at Subtitle D facilities are being felt nationwide. All too often these requirements are resulting in unnecessary increases in ground water monitoring costs and erroneous indications of facility impacts. For example, a common situation faced by many older facilities is that there is ...


    By Sanitas Technologies

  • GIS and ordination techniques for studying influence of watershed characteristics on river water quality

    Landscape characteristics of twenty-eight sub-catchments within the Miyun reservoir watershed in Miyun County, northeast Beijing of China were examined to identify relationships with stream water chemistry. The influences of the entire catchment and 300 m buffer zone on water quality were compared using multiple regression analysis and redundancy analysis during three seasons. Results showed that ...


    By IWA Publishing

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