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Turning an Acidity or Basicity Quandary Into an Automatic Titration Solution: Solving the Challenge of Acid/Base Balance in Polyol Samples
Friday, October 24, 2008
Uniquely quantifying varying levels of acidity or basicity in polyol samples has traditionally required two different methods utilizing less than desirable titrants with less than optimal results. read more
Reintroducing Countercurrent Chromatography to the Chemist
Friday, October 24, 2008
Ever since chemists began using separating funnels to isolate compounds by partitioning, they have understood the potential benefits of liquid/liquid chromatography, known today as countercurrent ... read more
Automation of Solid-Phase Extraction for Urinary Opiate Analysis
Friday, October 24, 2008
The identification and confirmation of opiates extracted from biological matrices such as blood, plasma/serum, and urine may often lead to more questions than answers, as many exponents of forensic ... read more
The Benefits of Machine Washing Laboratory Glassware Versus Hand Washing
Wednesday, October 01, 2008
If the aim of the laboratory is to be cost-efficient and provide consistent results, hand washing should not be the process of choice for cleaning laboratory glassware. read more
Volume 40, Number 18
Wednesday, October 01, 2008
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Development of LLDPE Resins: Odor Analysis With an Electronic Nose
Friday, September 26, 2008
The quality of plastics and packaging is a key issue in many industries, such as food and beverage, pharmaceutical, and cosmetics, both from its safety and protective functions. read more
Fast Micro-GC Capabilities Based on a Microintegration Technology Platform
Friday, September 26, 2008
Chromatography dates back to the early nineteenth century, when paper and cloth were used to spot-test dye mixtures and plant extracts. read more
Celebrating 25 Years of Inductively Coupled Plasma-Mass Spectrometry
Friday, September 26, 2008
2008 marked the 25th anniversary of inductively coupled plasma-mass spectrometry (ICP-MS). read more
An Autosampler and Field Sample Carrier for Maximizing Throughput Using an Open-Air, Surface Sampling Ion Source for MS
Friday, September 26, 2008
A commercially available, open-air, surface sampling ion source for mass spectrometers provides individual analyses in several seconds. read more
Light Engines for the Life Sciences
Thursday, September 04, 2008
Life science instruments present unique challenges to suppliers of light-generation equipment: Inexpensive, high-intensity, uniform, monochromatic light across a broad UV-VIS-IR spectrum is required... read more
Detection of Chemical Warfare Agents on Surfaces Relevant to Homeland Security by Direct Analysis in Real-Time Spectrometry
Monday, September 01, 2008
Analysis of low-volatility, condensed- phase chemicals on surfaces has been an extremely difficult and long-standing objective in environmental monitoring. read more
Quality Evaluation of HPLC-Grade Acetonitrile
Monday, September 01, 2008
Acetonitrile is the most commonly used organic mobile phase component due to its unique properties that set it apart from the other LC solvents (midrange solvent strength, excellent solvent ... read more
Volume 40, Number 16
Monday, September 01, 2008
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Determination of Total Mercury in Sorbent Tubes Using Direct Mercury Analysis
Friday, August 29, 2008
Coal-fired utilities have long carried the stigma of being the largest contributor of anthropogenic mercury emissions, which, in 1999, caused the U.S. EPA to initiate the Information Collection ... read more
Characterization of D-Mannitol by Thermal Analysis, FTIR, and Raman Spectroscopy
Friday, August 29, 2008
D-mannitol is a common excipient used in the pharmaceutical formulation of tablets. read more