nitrite testing News

  • Ozone Testing Protects People and the Environment

    EMSL Analytical provides complete ozone testing services to shield people from unnecessary exposure and to help manufacturers test products and equipment. Ozone consisting of three oxygen atoms and is beneficial in the upper atmosphere due to its ability to protect the planet from harmful radiation.  However, tropospheric ozone, also known as low level ozone, is recognized by the World ...


    By EMSL Analytical, Inc.

  • New methodology for poolside compliance testing

    A new method using a water proof meter with built in photo cell and reagent delivery device (test strips) was presented at the 5th Annual World Aquatic Health™ Conference in Colorado Springs October 17th. Ivars Jaunakais, President of Industrial Test Systems, Inc. (ITS), presented a new method for pool water testing last week during the annual World Aquatic Health Conference. The ...

  • The complete home water quality test kit

    Industrial Test Systems, Inc., innovators of test strip technology, unveils the redesigned Complete Home Water Quality Test Kit, the first water quality test kit that lives up to its name. The Complete Home Water Quality Test Kit ...

  • Enzymatic Nitrate Determination Now an ASTM Standard Method

    NECi enzymatic method for nitrate determination is now an ASTM International Standard Method.  This method is meant to replace methods D1254 (Nitrite) and D992 (Nitrate).   Method D1254 uses a reagent which is considered to be a possible carcinogen. Method D992 is mentioned by ASTM to "have relatively large errors when used in wastewaters and also has greater manipulative difficulties" ...


    By NECi Superior Enzymes

  • Nitrate Reductase

    A proposed new ASTM International test method will present a means to perform nitrate analysis of water without the use of hazardous chemicals. WK27289, Test Methods for Nitrite-Nitrate in Water by Nitrate Reductase, is being developed by Subcommittee D19.05 on Inorganic Constituents in Water, part of ASTM International Committee ...


    By ASTM International

  • Capillary electrophoresis method according to EPA 6500 and ASTM D6508-10

    Lumex Instruments introduces a capillary electrophoresis method for determination of inorganic anions; fluoride, bromide, chloride, nitrite, nitrate, ortho-phosphate, and sulfate in drinking water, wastewater and ground water according to EPA 6500 and ASTM D6508-10 test methods. This test method is applicable for ...


    By Lumex Instruments Group

  • New eXact® Micro 7+ photometer

    New eXact® Micro 7+ photometer Accurate, fast and easy water field testingIndustrial Test Systems, Inc. (ITS), manufacturer of accurate colorimetric water test kits, introduces its latest handheld photometer: the eXact® Micro 7+. Using a patented method, its ideal for residential, commercial, and municipal water testing, the Micro 7+ reads these parameters directly: Total Alkalinity; Bromine; ...

  • SEAL Analytical expands US manufacture

    The laboratory instrument manufacturer SEAL Analytical has transferred the production of its market leading automated discrete analyzers, the AQ1 and AQ2, to the company’s facility in Mequon, USA. The move follows the acquisition of a block digestion business from Aim Lab Automation Technologies Pty Ltd. SEAL’s President Stuart Smith said: “Digestion is an essential part of the ...

  • New eXact Micro 7+ Photometer

    Industrial Test Systems, Inc. (ITS), manufacturer of accurate colorimetric water test kits, introduces its latest handheld patented colorimeter: the eXact Micro 7+. Ideal for residential, commercial, and municipal water testing, the Micro 7+ reads 9 parameters directly: Alkalinity; Bromine; Calcium Hardness; Free Chlorine; Total Chlorine; Copper; Ozone; Permanganate; pH and Transmission. ...

  • 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 ...


    By NECi Superior Enzymes

  • Enzyme Based Nitrate Determination Method for Wastewater Reaches First Step in EPA Approval

    The U.S. Environmental Protection Agency (EPA) has determined that The Nitrate Elimination Company, Inc. (NECi) Method N07-0003 “Method for Nitrate Reductase Nitrate-Nitrogen Analysis” meets all requirements for measurement of nitrate and combined nitrate-nitrite in wastewater. Enzyme-based nitrate analysis will be recommended for inclusion in the list of 40 CFR Part 136 in ...


    By NECi Superior Enzymes

  • EnviroSim Announces Release of BioWin 3

    BioWin 3The newest and latest version of BioWin, featuring:A new Biofilm model for the simulation of Integrated Fixed Film Activated Sludge (IFAS) and Moving Bed Biological Reactor (MBBR) systems. This extensively tested and calibrated model provides accurate performance predictions for a wide variety of process configurations, enhancing the effectiveness of your ...


    By EnviroSim Associates Ltd.

  • New compact discrete nutrient analyzer saves lab time, space & money

    Laboratory instrumentation manufacturer SEAL Analytical has launched the 'AQ1' discrete analyzer which automatically tests multiple samples in discrete reaction vessels and is ideal for laboratories with moderate workloads requiring varied tests on different samples and for those that need fast individual results. The AQ1 is supplied with standard methods to USEPA, ASTM, ISO and other ...

  • SEAL launches new range of digestion blocks

    SEAL Analytical will use WWEM 2016 to launch a new range of digestion blocks that it expects to “sell like hot cakes.” The new ‘SmartBlock II’ range and their sample vials are all manufactured by SEAL under the Thomas Cain brand. “This is important,” says SEAL President Stuart Smith. “By manufacturing the consumables we can guarantee their quality. The ...

  • The new eXact Micro 7+ Aquarium and Pond Kit

    A healthy environment for aquarium and pond fish is essential to good health. The health and longevity of fish is directly related to the quality of their water. Now more than ever, aquarists, retailers, breeders and wholesalers have become more aware of the importance of regular water quality testing. Announcing the new eXact Micro 7+ Aquarium and Pond Water Test Kit from ITS, the perfect ...

  • Spectrophotometer photoLab® 7000: Improvements for optical reagent-free measurement, more languages

    For the spectrophotometers photoLab® 7100 VIS and photoLab® 7600 UV-VIS as well as the former models a new Software-Update Version V2.28 / 2.30 / 2.23 is available for download. It contains many useful enhancements for an even better operation. For optical reagent-free measurement OptRF with photoLab® 7600 UV-VIS an optimized handling has been implemented: From ...


    By WTW - a xylem brand

  • Miami Conservancy District of Ohio receives NGWA Special Recognition Award

    The Miami Conservancy District in southwest Ohio has received a 2014 Special Recognition Award from the National Ground Water Association. The Special Recognition Award is presented to an individual or organization that demonstrates dedication, service, and commitment to the groundwater industry and community through involvement and achievement on a local or regional level. The award will be ...

  • University strengthens research lab with discrete analyzer

    Lake Superior State University (USA) recently purchased a SEAL AQ1 discrete analyzer for its Environmental Analysis Laboratory (EAL). This advanced instrument was purchased to analyze local, regional and national water quality samples. However, it also fulfils an important role providing the University’s students with practical experience; working with an analyzer that is employed in ...

  • New technology makes segmented flow analyzer compact and easy-to-use

    Building on its reputation for innovation, SEAL Analytical has launched the 'AA1' – a fully automated analyser employing new technology based on segmented flow analysis for rapid, accurate, precise analysis of parameters such as Ammonia, Phosphate, Nitrate, Nitrite, Total Nitrogen, Total Phosphorous and Chloride. Typical applications include water, wastewater, soil, plant, fertilizer, food ...

  • SEAL Analytical focuses on reliable high-throughput analysis

    The SEAL Analytical booth (3831, 3931) at Pittcon 2016 will provide visitors with an opportunity to see the latest technologies in sample digestion systems and colorimetric nutrient analysis instruments. SEAL will feature their range of new AQ automated discrete analysers and segmented flow analyzers - for high-speed, greater capacity, improved reproducibility and greater flexibility. SEAL will ...

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