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  • Portable XRF: Nondestructive Testing in Seconds

    Monday, July 01, 2013
    We are all familiar with X-rays, the short, highly energetic waves used by dentists to check for cavities, and by airport screeners to look for contraband. We experience fluorescence—the phenomenon by which something absorbs energy and in turn ... Read More

  • Spectrophotometers Overview

    Tuesday, April 23, 2013
    Spectrophotometers measure the amount of light of a specific wavelength that is absorbed by a sample. A spectrophotometer is used chiefly to measure the concentration of analytes in solutions, but is also used to characterize liquid and solid ... Read More

  • Mercury Analyzers in the Laboratory

    Wednesday, March 20, 2013
    Mercury is a toxic element, harmful to the environment and poisonous to humans, even at very low levels. It is generated by industry, by burning fossil fuels and as a by-product of some bacteria. Read More

  • Guide to Solid Phase Extraction Systems

    Monday, February 18, 2013
    Solid phase extraction (SPE) is a liquid chromatography method of separating a particular compound, or analyte, from a liquid mixture in which it is dissolved or suspended. This is commonly performed when separating an analyte of interest from other... Read More

  • Guide to Purchasing a Rotary or Nitrogen Evaporator

    Thursday, September 06, 2012
    Evaporation systems have many industrial, medical, and basic science applications. Read More

  • Do Your Work Cleanly With Gloveboxes

    Thursday, February 02, 2012
    Gloveboxes are used in laboratories across the sciences. This article will focus on the use of gloveboxes in the life sciences—especially in those laboratories housed in academic institutions, government institutions, biotechnology companies, and ... Read More

  • Reduced Carryover Using an LC Autosampler System

    Friday, April 22, 2011
    Recent high-sensitivity and highthroughput trends in liquid chromatography, influenced largely by the latest interfacing technologies of mass spectrometry, seem to demand further improvements in sample introduction technology. Read More

  • Temperature Chambers and Environmental Test Chambers

    Monday, April 20, 2009
    The best way to understand how a product or material will perform in the field or over time is to use a laboratory test chamber to model those conditions. This is done in one of two ways: the test chamber may model the conditions exactly as they are,... Read More
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