Featured Articles

  1. Recognized Results Based On Quality Assurance And Quality Control
    5/11/2016

    Responsibility for analysis results lies with the users themselves or their supervisors. Both are therefore liable for any incorrect interpretations and decisions that are made as a consequence of incorrect data.

  2. New Luminescent Technology Brings Faster, More Accurate CBOD Analysis
    2/4/2013

    Measuring DO in the CBOD procedure was once troublesome and inefficient for lab personnel and operators alike at the Southside Wastewater Treatment Plant in Tyler, Texas. But all that changed when they adopted new luminescent technology that has eliminated problems with instrument drift, slow measurements, and frequent maintenance.

  3. Electrochemistry Theory And Practice
    2/4/2013

    An electrochemical cell for pH measurement always consists of an indicating electrode whose potential is directly proportional to pH, a reference electrode whose potential is independent of pH, and the aqueous sample to be measured.

  4. Hach Releases DR 6000 UV-Vis Spectrophotometer
    6/20/2012

    Hach Company has developed the latest innovation in lab testing, the DR 6000™ UV-Vis spectrophotometer.

  5. Hach Launches Hach BioTector B3500c TOC Analyzer For Condensate Applications
    2/27/2013

    Hach Company has launched a reliable safeguard to sensitive processes in clean water applications, the Hach BioTector B3500c TOC Analyzer.

  6. Hach Launches DR 900 Handheld Colorimeter
    6/18/2013

    Hach Company has developed the next great multiparameter handheld instrument for testing water in the field, the DR 900 Handheld Colorimeter. The DR 900 allows for quick and easy access to your most used testing methods, and is field ready in every way possible.

  7. Split Beam Vs Single Beam Optics For All Hach Spectrophotometers Including DR6000, DR3900, DR2800, DR2700
    2/5/2013

    Split beam optics also known as ratio beam or dual beam, imparts greater accuracy and reproducibility than conventional single beam optics.

  8. Bringing Efficiency And New Confidence To BODâ‚… Analysis
    2/4/2013

    Biochemical Oxygen Demand (BOD) analysis is the test everyone loves to hate—and for compelling reasons.