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In all analytical laboratories, the purchase, preparation, storage, and control of chemical reagents, standards, and working reagents are routine tasks. read more

Because GC and GC-MS are not always sufficient for olfactory analysis, chemists turn to gas chromatography– olfactometry (GC-O) for the detection of low-level odor-active compounds. Though powerful... read more

The University of Washington (UW) is a leading public research and educational institution, with its largest of three campuses located in Seattle and adjacent to Lake Washington. read more

This article describes the improvements made to a 4500-square-foot chemistry teaching laboratory within the University of Pennsylvania’s (Philadelphia) Chemistry ’58 building. The design was led by ... read more

Centrifuges are common and important tools for the laboratory. Choosing the right rotor system for each centrifuge can maximize the equipment’s performance and longevity. read more

In this series of articles, all of the regression discussions to date have assumed that the replicate preparations of a given concentration have been exact. read more

In recent years, the combination of liquid chromatography and high-resolution exact mass tandem mass spectrometry has been widely adopted for a variety of research applications such as drug ... read more