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

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Glycoxidative Modification of Adenosine in Relation to Diabetes and Obesity: Detection of Carboxymethyl-Adenosine in Biological Samples
Friday, August 07, 2015
Zeenat Ara Lila Louis D. Whitesides Chukudi Weze Yazmine Thomas
Proteins are modified in residues of lysine, arginine, histidine, etc., due to high concentrations of sugar and fatty acids in the bloodstream in relation to diabetes. Read More
Fume Hoods and Cabinets
Friday, May 19, 2017

Biological safety cabinets and fume hoods protect samples, personnel and the laboratory environment from harsh chemicals or infectious substances. Read More
Five Ways to Improve the Workflow and Financial Health of the Laboratory
Friday, September 25, 2015
Trish Meek
Henry Ford quipped, “There are no big problems; there are just a lot of little problems.” Read More
Failure Analysis of Rubber Materials Using Pyrolysis-GC/MS
Wednesday, February 14, 2018
Rojin Belganeh William Pipkin
Pyrolysis GC/MS has a wide variety of applications for identifying the organic composition of unknown samples by providing detail information about the compounds present in a sample. Read More
Evaluation of an Automated Solid-Phase Extraction Method Using Positive Pressure
Wednesday, April 08, 2015
Heidi Fleischer Kerstin Thurow Ellen Vorberg Carolin Gallert Thomas Roddelkopf Steffen Junginger
Investigations for the determination of drugs in real samples, while gaining in importance, are limited by time and sample throughput. In response to this, the authors developed an automated solid-... Read More
Ensuring Data Integrity in Dropping Point Determination
Wednesday, March 12, 2014
Hans-Joachim Muhr
Softening and dropping point determination are established analytical tests that provide quality control for petrochemical products such as lubricating grease. However, to be accurate and comparable, ... Read More
Development of a 100% Dimethyl Sulfoxide (DMSO) Sample Solution for Liquid Handler Performance Verification
Friday, June 07, 2013
Rachel Parshley John Thomas Bradshaw Karl Olson
Dimethyl sulfoxide (DMSO) has become one of the most important solvents used for high-throughput screening (HTS) and compound management applications due to its ability to readily dissolve a wide ... Read More
Determination of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatography and Pulsed Flame Photometric Detection
Friday, February 19, 2016
Cynthia Elmore Michael Duffy
The carbonated beverage and petrochemicals industries are just some areas in which the analysis of volatile sulfur-containing compounds in process streams is a critical quality-control step. Read More
Detecting and Managing Water Contaminants in the Laboratory
Thursday, October 16, 2014
Jim Keary
Water purity is a fundamentally important factor in many laboratories, yet it is frequently overlooked. Researchers use water in most lab processes, and poor water quality can quickly lead to ... Read More
Considerations for Replacing Deuterium Lamps in HPLC Systems
Thursday, March 14, 2019
Robert Pritchard Mark Shapiro
The decision to replace a deuterium lamp for an HPLC system will depend on the evidence and the risk-to-reward ratio. Read More
Considerations for Diffuse Reflection Spectroscopy
Thursday, September 01, 2016
Stacey Carrier
Reflected light allows us to perceive the world around us. Read More
Computer-Assisted Structure Elucidation in Routine Analysis
Tuesday, January 26, 2016
Patrick Wheeler Steve Hayward Mikhail Elyashberg
The elucidation of unknown structures, especially those with novel moieties found in natural products, often results in initially incorrect published structures, which then require either exhaustive ... Read More
Comparison of ICP-QQQ and MP-AES to Alternative Atomic Spectroscopy Techniques
Friday, February 17, 2017
Shane Elliott
This article gives an overview of the various atomic spectroscopy techniques available to address a range of applications in environmental science, food and agriculture, life sciences and academic ... Read More
Comparison of Crystallization Behavior of Different-Colored Polypropylene Parts Using a Single DSC Experiment
Friday, January 20, 2017
James A. Browne
A compositional analysis may explain the reasons for variations in processing behavior, but is time consuming and expensive. As an alternative, straightforward differential scanning calorimetry (DSC) ... Read More
Comparative QC Test Methods for Toothpaste Consistency
Tuesday, September 27, 2016
Robert McGregor
Important quantitative data can be obtained in the study of viscosity by measuring the consistency of toothpaste, i.e., thickness, ease of handling and ability to retain position, and observing the ... Read More
Cloud-Point Extraction/Graphite Furnace Atomic Absorption Spectrometry for the Determination of Trace Rhodium in Water Samples
Thursday, March 14, 2019
Quan Han Xiaohui Yang Yaping He Yanyan Huo Jiangyan Wu Longhu Yang Huan Wang
A method for the determination of ultratrace rhodium by cloud point extraction coupled with graphite furnace atomic absorption spectrometry has been developed. Read More
Closing the Consumption Gap: Making GC More Accessible
Friday, November 04, 2016
Eric Denoyer Paul Deitrick
Gas chromatography users agree on at least two things: that GC is a mature technology, and that the performance and features of instrumentation largely meet the application requirements for which GC ... Read More
Centrifugal Partition Chromatography: The Key to Green Preparative Chromatography
Monday, March 26, 2018
Gregoire Audo
Centrifugal partition chromatography is a sustainable solution for reducing the environmental impact of preparative chromatography while reducing production costs. Read More
Bottle Liquid–Liquid Extraction Update: In Situ Water Sample Preparation
Tuesday, January 21, 2014

As first described in Ref. 1, an alternative liquid–liquid extraction technique was originally conceived, born, and cultivated in an environmental lab setting to enable holding time obligations to be ... Read More
Automating Solvent Removal From Winterized Cannabis Oil Extract
Wednesday, August 31, 2016
Alison Wake Jim Bilotta
A centrifugal evaporator is compared to a rotary evaporator for the batch concentration of winterized cannabis extract in ethanol. Read More

Application Notes

Sort

Glycoxidative Modification of Adenosine in Relation to Diabetes and Obesity: Detection of Carboxymethyl-Adenosine in Biological Samples

Fume Hoods and Cabinets

Five Ways to Improve the Workflow and Financial Health of the Laboratory

Failure Analysis of Rubber Materials Using Pyrolysis-GC/MS

Evaluation of an Automated Solid-Phase Extraction Method Using Positive Pressure

Ensuring Data Integrity in Dropping Point Determination

Development of a 100% Dimethyl Sulfoxide (DMSO) Sample Solution for Liquid Handler Performance Verification

Determination of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatography and Pulsed Flame Photometric Detection

Detecting and Managing Water Contaminants in the Laboratory

Considerations for Replacing Deuterium Lamps in HPLC Systems

Considerations for Diffuse Reflection Spectroscopy

Computer-Assisted Structure Elucidation in Routine Analysis

Comparison of ICP-QQQ and MP-AES to Alternative Atomic Spectroscopy Techniques

Comparison of Crystallization Behavior of Different-Colored Polypropylene Parts Using a Single DSC Experiment

Comparative QC Test Methods for Toothpaste Consistency

Cloud-Point Extraction/Graphite Furnace Atomic Absorption Spectrometry for the Determination of Trace Rhodium in Water Samples

Closing the Consumption Gap: Making GC More Accessible

Centrifugal Partition Chromatography: The Key to Green Preparative Chromatography

Bottle Liquid–Liquid Extraction Update: In Situ Water Sample Preparation

Automating Solvent Removal From Winterized Cannabis Oil Extract

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