Knowledge Base
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Development Strategies for Nicotine Detection in Alkaloids
Nicotine is an alkaloid found in Solanaceae plants (including tobacco). Alkaloids are a class of nitrogen-containing basic organic compounds found in nature, exhibiting properties similar to bases. Examples of alkaloids... -
A Case Study on the HPLC Analysis Method of Human Insulin
Until a little over 100 years ago, diabetes was still a fatal disease. Insulin is a commonly used clinical drug for diabetes treatment, and injecting insulin is one of the... -
Tandem Sugar Columns: Empowering Superior Separation Performance
Everyone is familiar with sugar, as it is an important component of most foods and a significant indicator of their nutritional value. In food processing, fructose, glucose, sucrose, and maltose... -
Cleaning and Passivation of Liquid Chromatography
Learn how to clean, passivate, and maintain HPLC systems to remove contamination, prevent corrosion, and improve peak shape for optimal performance. -
Distinguishing Key Time Concepts in Chromatography Analysis
Learn about essential chromatography time concepts like retention, dead, adjusted retention, relative retention, and delay time for accurate analysis and method development. -
Recommended Products for Pre-treatment of Semi-Volatile Organic Compounds (SVOCs)
Volatile Organic Compounds (VOCs) Volatile Organic Compounds (VOCs) refer to organic compounds that have a high vapor pressure (greater than 13.33 Pa), low boiling point, and small molecular weight under... -
Understanding Pesticide Residue: A Scientific Perspective
As people continue to pursue a green and healthy lifestyle, pesticide residues are receiving increasing attention. Are pesticide residues really that terrifying? Are the fruits and vegetables we encounter daily... -
Intrinsic Dissolution Testing Is Here， Are You Ready?
For the new inherent dissolution testing, we find ourselves both familiar and unfamiliar. We are familiar with it because it falls within the realm of dissolution, yet unfamiliar due to... -
Introduction to High-Capacity Ion Exchange Chromatography Media
Ion exchange chromatography, as the most classic separation mode in the field of biomacromolecule separation and purification, currently occupies a considerable market share. The basic mechanism for separating proteins using... -
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? -
Comprehensive Guide to Guard Columns and Pre-Columns
Guard Columns and Pre-columns (Online Filters) These are items commonly used in daily laboratory experiments. However, many people have doubts, They look so similar, Aren't they the same thing? What... -
Investigating Case 6: Uncovering Overlooked Factors Behind a Poor Baseline
Let's talk about the issue of baselines
