Chemistry Application Notes - Keep Up to Date on the Latest Lab Innovations

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Quantitative Analysis of Cannabinoids in Edibles Using Thermal Desorption-GC/MS
Monday, April 08, 2019
Rojin Belganeh William Pipkin Terry Ramus
A simple, rapid, and accurate thermal desorption-GC/MS technique is described for the determination of cannabinoids Read More
Quantitating VOCs in Serum Using Automated Headspace-SPME/Cryo-Focusing/Isotope Dilution/Capillary GC/MS
Friday, March 31, 2017
Paul R. Loconto
In January 2007, the author’s lab received a frozen shipment of calibration standards and quality control (QC) samples to perform method validation for quantitating traces of volatile organic ... Read More
Preparation of SMA/CaCO₃/CaCl₂@SiO₂ as a Fluid Loss Agent Based on PSA/Ca-MMT/CaCl₂@SiO₂
Thursday, September 04, 2014
Xiuhua Zheng Shiwei Yang Zhongli Lei
A novel inorganic/organic hybrid, highly temperature-resistant fluid loss agent had previously been reported by the Drilling Fluid Laboratory of China University of Geosciences. However, Ca-MMT (... Read More
Portable Visible Absorption Spectrometry: Two Dimensions Instead of One
Wednesday, September 10, 2014
Alexander Scheeline
Think of a visible absorption spectrometer or a visible fluorimeter. What do you see? A scanned diffraction grating and photomultiplier? Read More
Portable Raman Microscopy: Laboratory-Quality Results Measured Anywhere
Wednesday, April 22, 2015
Barbara Foster
While handheld portable Raman is now well established, until recently, microRaman had yet to make the leap out of the laboratory and into the world at large. To meet that challenge, BioTools (Jupiter... Read More
Pesticide Analysis in Cannabis: Extracting the Pesticide From the Flower
Monday, April 29, 2019
Michael Steinert
The QuEChERS and SPE methods are the most popular methods for the cleanup phase when analyzing pesticides in cannabis. Read More
Optical Efficiency Effects on Infrared Diffuse Reflection Spectroscopy Signal-to-Noise Ratio
Thursday, May 03, 2018
Dalia K. Maraoulaite Robert L. White
This paper describes the impact of typical DRIFTS optical configurations on measurement SNR. Read More
Measures to Alleviate Fume Hood Noise
Thursday, March 22, 2018
Kang Chen Hongbo Zhang Wenjun Zhang
The focus of this study was to reduce aerodynamic noise generated from fume hoods. Read More
Losses of Proteins in Gradient HPLC
Friday, August 24, 2018
Steven C. Goheen Jacqueline Hilsenbeck-Fajardo
Gradient elution of biopolymers by HPLC is an effective method for separation and quantitation. Read More
Linear Transformation Applied to the Calibration of Analytes in Various Matrices Using a Total Hydrocarbon Analyzer
Friday, July 24, 2015
Michael T. Tang Grace Feng Greg Merideth Rui Huang
Total hydrocarbon analyzers provide linear responses to methane and other hydrocarbons; however, the slope and intercept measurements are dependent on the matrix. This requires that calibration be ... Read More
Lab Vacuum Pumps: Selection and Protection
Friday, February 17, 2017
Peter Coffey
Useful tips are given for choosing the right vacuum pump for the lab. Read More
Ion-Exchange Selectivity and High-Resolution Accurate-Mass Spectrometry Elucidate Lithium-Ion Battery Degradation Pathways
Monday, May 09, 2016
Christopher Pohl Charanjit Saini Rosanne W. Slingsby Paul J. Voelker Kate Comstock John Moote Michael P. Balogh Ramona Y. Ying
Improved performance and lifetime of lithium-ion batteries is important for automobile manufacturers that produce cars powered electrochemically by lithium-ion battery packs. Read More
Integration of a Dilution Module in a Mass Spectrometry-Based Online Reaction Monitoring System
Friday, January 20, 2017
Heidi Fleischer Kerstin Thurow Vinh Quang Do Dany Hoffmann
A dilution module based primarily on a mass rate attenuator solves the problem of high concentration solution to the mass spectrometer. The low-flow compensation approach was used to circumvent the ... Read More
How Visualization and Analytics Help Scientists Make Better Decisions Faster
Friday, May 11, 2018
Tom Oldfield Robert D. Brown
Artificial intelligence. Machine learning. Automation. As these technologies become more widely adopted among life sciences companies in hopes of better innovation and faster drug development, it is ... Read More
How to Avoid Size Mismatch Between Solutes and Column Pores for Optimum HPLC Performance
Wednesday, June 07, 2017
Richard A. Henry Stephanie Schuster
This article describes a new approach for selecting optimum column pores for separating large molecules without losing high performance. Read More
How Solid-Phase Extraction Affects Challenges in Bioanalysis
Wednesday, February 05, 2014
Mike Oliver Tim Liddicoat Ken Meadows
Modern bioanalytical laboratories are tasked with providing high-quality analytical results from complex biological samples in a high-throughput environment. These needs have to be balanced with the ... Read More
How Electronic Laboratory Notebooks Aid in the Development of Bioanalytical Assays for Large Molecule Detection by LC/MS
Wednesday, April 16, 2014
Laura Swift
The use of electronic laboratory notebooks (ELNs) is becoming more popular among research and development (R&D) organizations. These electronic platforms optimize workflow and expedite data analysis ... Read More
High-Throughput VOC and Inorganic Gas Analysis: Automated SIFT-MS
Friday, January 20, 2017
Mark J. Perkins Vaughan S. Langford Murray J. McEwan
A sensitive technique called selected ion flow tube mass spectrometry (SIFT-MS) allows the direct, real-time monitoring of inorganic gases and volatile organic compounds (VOCs), with no need to ... Read More
High-Speed Zone Refining
Thursday, June 16, 2016
Julie DeCook
Zone refining is a process in which organic and inorganic compounds are purified. Read More
High-Pressure Ion Chromatography Enables Fast, Reliable Analysis of Inorganic Cations and Ammonium in Environmental Water Samples
Thursday, September 01, 2016
Carl Fisher
Common alkali and alkaline earth cations are not considered primary drinking water contaminants, but alkaline water can potentially interfere with water clarification and disinfection procedures and ... Read More

Application Notes

Sort

Quantitative Analysis of Cannabinoids in Edibles Using Thermal Desorption-GC/MS

Quantitating VOCs in Serum Using Automated Headspace-SPME/Cryo-Focusing/Isotope Dilution/Capillary GC/MS

Preparation of SMA/CaCO₃/CaCl₂@SiO₂ as a Fluid Loss Agent Based on PSA/Ca-MMT/CaCl₂@SiO₂

Portable Visible Absorption Spectrometry: Two Dimensions Instead of One

Portable Raman Microscopy: Laboratory-Quality Results Measured Anywhere

Pesticide Analysis in Cannabis: Extracting the Pesticide From the Flower

Optical Efficiency Effects on Infrared Diffuse Reflection Spectroscopy Signal-to-Noise Ratio

Measures to Alleviate Fume Hood Noise

Losses of Proteins in Gradient HPLC

Linear Transformation Applied to the Calibration of Analytes in Various Matrices Using a Total Hydrocarbon Analyzer

Lab Vacuum Pumps: Selection and Protection

Ion-Exchange Selectivity and High-Resolution Accurate-Mass Spectrometry Elucidate Lithium-Ion Battery Degradation Pathways

Integration of a Dilution Module in a Mass Spectrometry-Based Online Reaction Monitoring System

How Visualization and Analytics Help Scientists Make Better Decisions Faster

How to Avoid Size Mismatch Between Solutes and Column Pores for Optimum HPLC Performance

How Solid-Phase Extraction Affects Challenges in Bioanalysis

How Electronic Laboratory Notebooks Aid in the Development of Bioanalytical Assays for Large Molecule Detection by LC/MS

High-Throughput VOC and Inorganic Gas Analysis: Automated SIFT-MS

High-Speed Zone Refining

High-Pressure Ion Chromatography Enables Fast, Reliable Analysis of Inorganic Cations and Ammonium in Environmental Water Samples

Product Guide

Reducing Toxic Chemical Vapors in the Lab and the Basics of Proper Chemical Waste Storage

A Make-it-or-Break-it Decision – Plastic vs. Glass Labware

The Do's and Don'ts of Laboratory Balances

Pittcon 2023: PFAS, AI, LC, MS and Batteries

Supporting Sustainability in Analytical Labs by Switching from Helium to Hydrogen