Knowledge Base
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Final Step Before Analyzing the Sample(Filtration): Did You Choose the Right Method?
After a complex pre-treatment process, many lab technicians might feel uncertain before analysis: With so many filter membranes available, which one should be chosen for filtration before proceeding with the analysis? -
Investigating Case 6: Uncovering Overlooked Factors Behind a Poor Baseline
Let's talk about the issue of baselines -
How to Resolve the Separation Issues of 11 Synthetic Colorants in Food?
Colorants, also known as food dyes, are substances primarily used to color food and improve its appearance. Currently, there are more than 60 commonly used food colorants worldwide, which can... -
Why is the detection limit 3 times the signal-to-noise ratio
The detection limit and quantitation limit are important attributes of analytical methods. However, in actual scientific research, many colleagues only know that the detection limit is 3 times the signal-to-noise... -
HPLC Content Determination Method Validation: A Comprehensive Guide
This guide provides a detailed overview of HPLC method validation for content determination, highlighting key procedures, technical considerations, and common pitfalls to ensure accurate and reliable results. -
One column one method vs one column multi-method, which one is more effiective?
One column one method vs one column multi-method, which one is more effective? Scenario 1: Ah, what on earth is this unknown peak? It's been interfering with my target peak... -
What's the Maximum Lifespan of a Welch HPLC Column?
Over the past two months, our China Marketing team has organized an event called the "Longest-serving Welch HPLC Column Collection Campaign" Which has now come to a close. These two... -
How to Achieve Optimal Mobile Phase Performance: 6 Key Points
Hello, everyone, Today, I'm sharing with you The filtration, storage, degassing, and replacement precautions of the mobile phase. Filtration of the mobile phase All solvents must be filtered through a... -
Improving Efficiency by Changing Small Habits in Chromatography Column Usage
Laboratory consumables purchasing budgets are being squeezed... Sometimes we are forced to confront such objective circumstances during experiments, especially when making the most of expensive consumables. Today, let's use expensive... -
Choosing Gas Chromatography Columns: Key Parameters
Hello, everyone! The length, inner diameter, and film thickness of gas chromatography columns How do they affect separation efficiency and time? Today, the editor will share with you The specific... -
Choosing Solid Phase ExtractionColumns: A Concise Guide
Complex Sample Matrices,Diverse Solid Phase Extraction Sorbents,and Varied Adsorbent Selectivities. … These factors often pose challenges in sample pre-processing experiments, making the selection of solid phase extraction columns a daunting... -
Mastering Gas Chromatography in 7 Comprehensive Steps!
When dealing with an unknown sample, it is essential to first understand its origin, nature, and the analytical objectives. Based on this foundation, a preliminary assessment of the sample can...
