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GC vs. HPLC: How to Select the Right Analytical Method

Gas Chromatography (GC) and High-Performance Liquid Chromatography (HPLC) are two commonly used analytical methods in modern labs, mostly to separate, spot, and measure chemical compounds. At the same time, even if both of them come from the chromatography idea, like in general,…

How to Select UV-Vis Absorbance Range and Spectral Bandwidth

You’ve just run a sample through your UV-Vis spectrophotometer, but the results don’t look right. The numbers seem off — maybe too low, maybe not as repeatable as you’d expect. You start wondering: is the instrument broken? Is the sample…

How to Use a Bottle-top Dispenser Effectively

Bottle-top dispensers serve as essential laboratory equipment because they enable scientists and industrial workers to precisely measure and dispense liquids. The proper operation of a bottle-top dispenser enables laboratories to achieve both accurate liquid measurement and safe operations which result in…

Knowing a Biosafety Cabinet: Principle, Types and Applications

In the modern world of biological research and clinical diagnostics, ensuring the safety of both the scientist and the sample is crucial. At the heart of this safety framework is the Biosafety Cabinet (BSC). It is a complex piece of engineering that is designed…

How to Use UV Vis Spectrophotometer

In the field of analytical chemistry, UV-Vis spectrophotometers are indispensable tools for studying the interaction of light with matter. These instruments allow scientists and researchers to measure the absorption or transmission of light across the ultraviolet (UV) and visible (Vis) regions…

How to Troubleshoot Common Problems of Gas Chromatography (GC)

Gas Chromatography (GC) is among the most commonly performed analytical methods in laboratories and is required to separate and study volatile compounds. Although the GC is essentially highly reliable, due to several problems that users constantly face, curiosity might arise…

How to Choose the Right Laboratory Glassware Washer

The selection process for laboratory glassware washers stands as an essential choice which determines cleaning efficiency, experimental accuracy and compliance with applicable regulations. Laboratories must evaluate their specific operational needs before selecting from the available models of lab glassware washers, each designed for…

Sample Preparation for HPLC Analysis: Common Steps and Techniques

High-performance liquid chromatography (HPLC) stands as the most frequently employed analytical method across pharmaceutical and environmental and food and chemical and biological research laboratories. The method provides precise methods to separate different compounds from complicated mixtures while identifying each compound’s…