laboratory photometer Articles

  • Half a Century of Photometers from Jena – the SPECORD® Celebrates its 50th Anniversary

    In 1963 Carl Zeiss Jena's spectrophotometers SPECORD® and SPEKOL® succeeded the Pulfrich photometer first presented in 1924. Even in those days, the SPECORD® series was known for being "reliable and simultaneous, fast, extremely robust and universal". This year marks the 50th?anniversary of the SPECORD®, one of the most successful analysis ...


    By Analytik Jena AG

  • Analysis of PCB in water using the envirogard test system

    MATRIX: Water ANALYTE: PCB LIMIT OF DETECTION: Aroclor 1248: 1 ppm Aroclor 1260: 2 ppm Aroclor 1242: 2 ppm Aroclor 1254: 1.1 ppm BACKGROUND: This application describes a field screening method for determining PCB concentrations in water. A chemical reaction is induced that causes a color change ...


  • Buy Smarter – what questions should you ask when buying a Spectrophotometer?

    Spectrophotometers are relied on by a wide range of laboratories, for tests ranging from specific parameters, like chlorine or metals concentrations, right through to complex analyses of reaction kinetics. When choosing a spectrophotometer the range of specifications and price is vast, so take the time to list the features you need before you buy and make sure you choose the right one. ...


    By Camlab Limited

  • A novel spectrometer design for process and handheld infrared spectral measurements

    Introduction Infrared spectroscopy offers many unique advantages for measurements within an industrial environment. Historically, the technique has been used for a broad range of applications from the composition of gas and liquid mixtures to the analysis of trace components for gas purity analysis. In cases where a well-defined method of analysis is involved, such as the measurement of ...


    By CIC Photonics, Inc.

  • U.S. EPA approves first enzymatic method for SDWA reporting of nitrate

    The US Environmental Protection Agency periodically updates methods laboratories can use for protecting the quality of the nation's drinking water.  The Safe Drinking Water Act office of the EPA published its list of Alternate Test Protocols (ATP) in the Federal Register in July 2016. ...


    By NECi Superior Enzymes

  • Chromium detection in water and soil...

    What is chromium? Chromium is a metal that is widely distributed in the earth’s crust (soil and rocks), air and water. Naturally occurring chromium occurs mainly in the chromium (III) form as chromite ore, which contains oxygen, chromium (III) and other metals such as iron. Chromium (VI) compounds are produced commercially from chromite ore for a wide variety of uses. ...


    By Camlab Limited

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