April 2018
Volume 50, Number 3
In this issue:
- How to lessen fume hood noise
- Use of GC/TOF to obtain chemical profile signatures of honey bees
- Multistep thermal sampling for pharmaceutical and supplement product analysis
- A person-portable GC/MS provides confirmatory chemical identification
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Table of Contents
Robert L. Stevenson, Ph.D.
The Internet of Things (IoT) exploits the use of rapid and nearly contemporaneous flow of information that is possible with communication technology such as Wi-Fi and Bluetooth.
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Kang Chen, Hongbo Zhang, Wenjun Zhang
The focus of this study was to reduce aerodynamic noise generated from fume hoods.
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Wednesday, March 28, 2018
Stanley N. Deming
In the three previous columns, we discussed the limit of detection amount LDA, the minimum consistently detectable amount MCDA, and the limit of quantitation amount LQA.
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Mike May
For everyday labs, analytical balances are the most accurate, usually measuring weights to 0.1 milligrams or better in accuracy. Some features to consider when buying one are capacity, readability, ...
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Karen D. Sam
Multistep thermal sampling allowed the analysis of both volatile and nonvolatile constituents directly to the gas chromatograph.
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Sassicaia J. Schick, Robert L. Broadrup, Christopher Mayack, Helen K. White, Anthony Macherone
The exposome generated by gas chromatography/quadrupole time-of-flight analysis was integrated with semiquantitative PCR disease screening to establish chemical profile signatures and associations ...
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K.C. Hyland, Craig Butt, April Quinn-Paquet
Quantitation of a suite of microcystins and nodularin was demonstrated using LC-MS/MS on a QTOF system.
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Gregoire Audo
Centrifugal partition chromatography is a sustainable solution for reducing the environmental impact of preparative chromatography while reducing production costs.
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Robert G. McGregor
Key considerations for selecting a rotational viscometer include how much sample material is available for testing, whether a broad range of shear rates used in the test method is important, whether ...
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Mike May
To find the best microwave digester for a specific lab, factors to consider are the number of samples that need to be analyzed, the volume, and the required temperature. A scientist in search of a ...
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Wednesday, March 28, 2018
Huijing Tan, Xiuhua Zheng, Shiwei Yang, Zhongli Lei, Bairu Xia
Sodium silicate plays an important role in the
hydration and self-degradation of geothermal
temporary sealing materials, prepared by
introducing sodium carboxymethyl cellulose
(CMC) into sodium ...
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Philip Tackett
Two situations are presented in which a person-portable GC/MS can be used to provide confirmatory chemical identification.
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