aqueous sample News
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Modern Water launches Bench Top UV Digester
Modern Water plc (AIM:MWG), the owner of leading water technologies for the production of fresh water and monitoring of water quality, today launches the UVI4000, an ultraviolet (UV) digester that provides a quick and easy way for the UV treatment of aqueous samples. The UVI4000 eliminates organic compounds found in aqueous samples, enabling more accurate sample analysis. The UVI4000 is a ...
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Cr(III) or Cr(VI)? Chromium Species in Dietary Supplements by EPA Method 6800
Determination of chromium in complex matrices is a notorious challenge, as interconversions between species may occur during sample preparation, making quantification very difficult. In a recent research study published in Journal of Agricultral and Food Chemistry, Rahman et al. performed speciated isotope dilution mass spectrometry (SIDMS), as described in EPA Method 6800 (update V) to ...
By Metrohm AG
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Pall’s New Sentino™ Microbiology Pump Simplifies Microbial Analysis
Pall Corporation (NYSE:PLL) today introduced the new compact, easy-to-use Sentino Microbiology Pump for microbial analysis of aqueous samples using the Membrane Filter (MF) Technique. The Sentino Pump simplifies filtration while improving contamination control in pharmaceutical, beverage, and environmental water quality monitoring applications. Sentino(TM) ...
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Biotage® introduces EVOLUTE® WCX: now providing a total solution for basic compounds
Biotage, a leading supplier of tools and technology for medicinal and analytical chemistry, today announced the further expansion of its successful family of products with the launch of Evolute WCX. The announcement was made at the 2010 Pittcon in Orlando, Florida USA. “This is the second expansion of the EVOLUTE family of resin-based, solid-phase extraction products, demonstrating our continued ...
By Biotage AB
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ASTM D3561 - 11 standard test method for lithium, potassium, and sodium ions in brackish water, seawater, and brines by atomic absorption spectrophotometry
Identification of a brackish water, seawater, or brine is determined by comparison of the concentrations of their dissolved constituents. The results are used to evaluate the water as a possible pollutant, or as a commercial source of a valuable constituent such as lithium. 1. Scope 1.1 This test method covers the determination of soluble lithium, potassium, and sodium ions in brackish water, ...
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Analytik Jena gains major contract in China for monitoring the water quality of an entire region
For its core business of Analytical Instrumentation Analytik Jena AG has obtained a major contract for the supply of 22 instruments of the multi N/C series to analyze the water quality in the Chinese province Henan. The project volume of the contract amounts to a medium-level six-figure range. The instruments are already due to be delivered during the current quarter. "During the tender for this ...
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Shimadzu’s new TOC-L series provides high-precision analysis of organic compounds in water samples
Shimadzu Scientific Instruments introduces the TOC-L Series of analyzers for total organic carbon testing in aqueous samples. With a wide sample range from 4 μg/L to 30,000 mg/L, the TOC-L is suitable for analyzing ultra-pure to highly contaminated samples of wastewater, brine water, seawater, drinking water and pharmaceutical water. Consisting of four models, including PC-controlled and ...
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Shimadzu’s new TOC-L series provides high-precision analysis of organic compounds in water samples
Shimadzu Scientific Instruments introduces the TOC-L Series of analyzers for total organic carbon testing in aqueous samples. With a wide sample range from 4 μg/L to 30,000 mg/L, the TOC-L is suitable for analyzing ultra-pure to highly contaminated samples of wastewater, brine water, seawater, drinking water and pharmaceutical water. Consisting of four models, including PC-controlled and ...
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Amerigo Scientific Launches PicoRaman Spectrometer for Time-resolved Measurements
Amerigo Scientific, a distributor focused on providing critical products and services to the biomedical and life science communities, recently announced the launch of its new PicoRaman Spectrometer for biological and pharmaceutical applications. By using patented time-gating technology, it is the only commercial Raman spectrometer capable of time-resolved measurements. Raman spectroscopy is a ...
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ASTM D7319 - 11e1 standard test method for determination of existent and potential sulfate and inorganic chloride in fuel ethanol by direct injection suppressed ion chromatography
Sulfates and chlorides can be found in filter plugging deposits and fuel injector deposits. The acceptability for use of the fuel components and the finished fuels depends on the sulfate and chloride content. Existent and potential inorganic sulfate and total chloride content, as measured by this test method, can be used as one measure of the acceptability of gasoline components for automotive ...
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Enzyme-based nitrate determination receives USGS Standard Method designation
RECOMBINANT PROTEIN TECHNOLOGY for GREEN ANALYTICAL CHEMISTRY: USGS Standard Methods I-2457-11 and I-2458-11 Analytical chemistry for environmental monitoring often requires hazardous reagents. NECi’s enzyme-based nitrate reagents replace cadmium reduction with reagent-grade, environmentally benign enzymes. The resulting nitrite is determined by standard Griess reagent chemistry. The ...
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Phenomenex Adds Tube Formats to Novum Synthetic Sorbent Line for Simplified Liquid Extraction (SLE)
Phenomenex Inc., a global leader in the research and manufacture of advanced technologies for the separation sciences, announced today the extension of its novel Novum Simplified Liquid Extraction (SLE) sorbent line to include tube formats, in addition to the original 96-well plate formats. Novum is a synthetic alternative to traditional diatomaceous earth SLE (also known as supported liquid ...
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The new Kromasil wettable phase
Kromasil, a brand of Nouryon, announces its new wettable phase specifically engineered for bio separations. The focus of this phase is for the separation and purification of key biomolecules, impurity removal and API manufacturing under aqueous conditions. Kromasil 100 Å C18(w) phase has different characteristics than the classic Kromasil C18, enabling new selectivity and resolution ...
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ASTM D1287 - 11 standard test method for ph of engine coolants and antirusts
pH is a measure of the hydrogen ion concentration and indicates whether an engine coolant, antirust, or a solution of these compounds is acidic, alkaline, or neutral. The pH range includes values from 0 to 14. Values from 0 to 7 represent the acidic half of the scale. Values from 7 to 14 represent the alkaline or basic half of the scale. The pH value 7 is considered neutral, ...
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Analytik Jena Delivers Instruments for Environmental Analysis to Poland
Jena, Germany — Analytik Jena AG has received an extensive new order from Poland. The system provider of analytic measurement technology headquartered in Jena, Germany, is delivering a total of 20 TOC analyzers to the Polish Inspectorate of Environmental Protection (GIOS) as well as their regional investigations offices. The company was therefore able to further strengthen its market ...
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ASTM D6130 - 11 Standard Test Method for Determination of Silicon and Other Elements in Engine Coolant by Inductively Coupled Plasma-Atomic Emission Spectroscopy
Some engine coolants are formulated with silicon containing additives. This test method provides a means of determining the concentration of dissolved or dispersed elements which give an indication of this additive content in the engine coolant. 1. Scope 1.1 This test method covers the determination of silicon in engine coolant by inductively coupled ...
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ASTM D3651 - 11 standard test method for barium in brackish water, seawater, and brines
Since water containing acid-soluble barium compounds is known to be toxic, this test method serves the useful purpose of determining the barium in brackish water, seawater, and brines. 1. Scope 1.1 This test method covers the determination of soluble barium ion in brackish water, sea-water, and brines by atomic absorption spectrophotometry. 1.2 The actual working range of this test method is 1 ...
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Automated thermometric titrimetry – straightforward quality control of fats and oils
Minimum operator involvement and high analytical productivity – these are key benefits of automated thermometric titration. The method is ideal for monitoring the quality of fats and oils, namely to determine crucial parameters such as free fatty acid content and iodine value. Benefits of thermometric titrimetry Thermometric titration means that there is no electrical contact with ...
By Metrohm AG
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ASTM E1366 - 11 standard practice for standardized aquatic microcosms: fresh water
A microcosm test is conducted to obtain information concerning toxicity or other effects of a test material on the interactions among three trophic levels (primary, secondary, and detrital) and the competitive interactions within each trophic level. As with ...
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EPA Announces the start of Sampling Activities at the CTS of Ashville, Inc. Superfund Site in Ashville, North Carolina
Today, US Environmental Protection Agency (EPA) officials announced sampling activities for the Soil Vapor Extraction (SVE) Confirmation Sampling and Analysis Plan and the Non-Aqueous Phase Liquids (NAPL) Investigation will begin on Monday, September 23, 2013 at the CTS of Ashville Inc. Superfund Site in Ashville, NC. The work will include collecting soil and water samples to better understand ...
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