automated sample analysis Articles

  • Xenemetrix EX-3600M (EDXRF) spectrometer analysis of the major elements in cement and compliance with ASTM Method C-114

    Energy Dispersive X-ray Fluorescence (EDXRF) can play a vital role in this industry by giving accurate analytical results in a short time.  ASTM C-114 is the test method used for the analysis of hydraulic cements. .  The overview of Xenemetrix EX-3600M (EDXRF) spectrometer analysis of the major elements in cement and compliance with ASTM Method C-114 will be described in this ...


    By Xenemetrix Ltd.

  • Requirements of an Automated Sample Delivery System in Today’s Realm of Ever Increasing Sensitivity Demands Utilizing the Atomx Concentrator/Multimatrix Autosampler

    Abstract As today’s instrumentation and experimental techniques improve on sensitivity and efficiency, we must also provide better ways to decrease carryover and ensure the instrumentation is running at its optimum capability. In this study, data was collected to evaluate carryover of target analytes in subsequent blanks following high concentration samples. The sample analysis was ...


    By Teledyne Tekmar

  • Quantitative analysis of iron in flour

    Abstract   A quantitative analysis of Iron in flour via Xenemetrix EDXRF Laboratory Spectrometer System was performed by model EX-3600M. The minimum detection limit for Fe in flour matrix was determined to 0.8 ppm at 3 sigma. Objective  To design an easy method by using EDXRF technique for quick and convenient measurements of Fe in flour at the level ...


    By Xenemetrix Ltd.

  • What is Chemical Oxygen Demand (COD)?

    Chemical Oxygen Demand (COD) analysis is a measurement of the oxygen-depletion capacity of a water sample contaminated with organic waste matter. Specifically, it measures the equivalent amount of oxygen required to chemically oxidize organic compounds in water. Why Measure COD? COD is used as a general indicator of water quality and is an integral part of all water quality ...


    By MANTECH Inc.

  • Quantitative Analysis of Geological Samples- X-Calibur

    Abstract Quantitative and qualitative analysis of geological samples (rocks and river sediments) was performed on Xenemetrix EDXRF Benchtop Spectrometer System, model X-Calibur  Objective: Perform XRF measurements on certified geological reference materials to build calibration curves for the major oxides (Na2O, MgO, SiO2, Al2O3, SiO2, P2O5, ...


    By Xenemetrix Ltd.

  • Elemental Analysis - Automation Without Limits

    Fully automated carbon, sulfur, chlorine, and nitrogen analysis in liquid and solid samples is possible! Thanks to the multi-matrix sampler you have the security of being able to meet the most varied analytical challenges in next to no time with one single system - the multi EA® 5000. Its intelligent construction facilitates the highest sample throughput ever in organic elemental analysis. ...

  • Automated screening of explosives in soil samples by online SFE-SFC-MS

    There are a large number of explosives-contaminated sites in the US, Europe, and Asia. High levels of explosives in soil can threaten the health of humans, livestock, and wildlife. A number of remediation efforts are underway, which require the analysis of explosives in soil samples. Recently, a new technique was introduced that allows the automated supercritical fluid extraction and SFC ...

  • 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 ...


    By SEAL Analytical, Inc.

  • Analytical Trap Comparison for USEPA Method 8260C

    Abstract Purge and trap concentration is a technique that is used for the analysis of Volatile Organic Compounds (VOCs). The major component of any purge and trap system is the analytical trap. This trap is responsible for retaining the VOCs during the purge cycle and then releasing them upon heating and transfer to the GC/MS for separation and detection. While most standard ...


    By Teledyne Tekmar

  • Comparison of BTEXS in Olive Oils by Static and Dynamic HT3 Headspace

    Abstract Purge and trap concentration is a technique that is used for the analysis of Volatile Organic Compounds (VOCs). The major component of any purge and trap system is the analytical trap. This trap is responsible for retaining the VOCs during the purge cycle and then releasing them upon heating and transfer to the GC/MS for separation and detection. While most standard ...


    By Teledyne Tekmar

  • Pulp and paper mill operators testing the benefits of simple and fast PeCOD method - Case Study

    A pulp and paper mill in Atlantic Canada is testing the benefits of implementing the PeCOD™ technology at the influent of their secondary treatment.  Since September 2017, operators have run comparative samples for chemical oxygen demand (COD) analysis by photoelectrochemical method (peCOD) and by the conventional dichromate method (CODcr).  The correlation between peCOD and CODcr ...


    By MANTECH Inc.

  • Automating Sample Prep – The Questron Story

    We live in challenging times. Everyday, the tabloids, and other media channels are full of worrisome news of our changing environment, caused by humanity with its ever-tightening grasp on our planet. The net result is the ominous and uncertain future of our landscape and our environment. What can we, as corporate citizens, do to help? We, at Questron ( ...

  • Analysis of Volatile Organic Compounds in Different Beverages

    Abstract Volatile Organic Compounds (VOCs) have been a major concern of the U.S. Environmental Protection Agency (USEPA) leading strict regulations of VOCs present in drinking water. This study will focus on the amount of VOCs present in commercially available beverages. The analysis will utilize the Atomx, an automated VOCs sample prep system with an in-vial purge, in conjunction with gas ...


    By Teledyne Tekmar

  • Increased sample throughput for ICP-OES applied to U.S. EPA method 200.7

    The application of an SC-FAST sample introduction system to the analysis of natural and certified water samples is described. The SC-FAST system consists of an autosampler, sample loop, switching valve, high efficiency nebulizer and a glass cyclonic spray chamber to perform analysis by direct nebulization. The potential benefits of this introduction system are numerous and include: increased ...


    By PerkinElmer, Inc.

  • Gas Chromatography: MCERTS Certification for Ambient Air Analysis on Benzene and VOCs

    Due to environmental issues, the world of gas analysis is evolving very rapidly.Governments set the rules to limit and control the environmental pollution through legislation.Volatile organic compounds (VOCs),often produced by human activities, are amongst the sources of pollution that need to be identified and quantified for safety reasons. Exposure to high concentrations of certain VOCs is ...


    By Chromatotec Group

  • Molecular characterisation of hepatitis A virus strains from water sources in South Africa

    Hepatitis A virus (HAV) strains found in selected South African (SA) surface waters were characterised to establish what HAV types are circulating in the environment, thus reflecting circulation in the surrounding communities. Surface water samples used for irrigation or domestic purposes, and water samples from the outflow of wastewater plants were collected from six provinces. Viruses were ...


    By IWA Publishing

  • What is X-ray powder? | Spectroscopy Guides

    What is XRF powder? Spectroscopy is an analytical technique used in diverse industries for sample characterisation, quality control, and contaminant detection. X-ray fluorescence spectroscopy (XRF) involves shining bright X-rays at a sample and measuring ...


    By Specac Limited

  • Reducing Cycle Time for Analysis of 1,4-Dioxane using an Atomx Automated Sample Prep System

    Abstract In order to determine the concentration of volatile organic compounds (VOCs) in water and soil matrices the USEPA developed Method 8260C1 in conjunction with preparative Methods 50302 and 50353 . Water and soil samples were analyzed in this study. A working linear calibration curve and Method Detection Limits (MDLs) will be demonstrated for the target compound list. The water study ...


    By Teledyne Tekmar

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