Knowledge Base
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A Comprehensive Guide to Welch C18 Columns Family: Features and Applications
Discover the diverse range of Welch C18 columns, their specialized bonding techniques, and performance for enhanced chromatographic separations. -
Types and Applications of Ion-Pair Reagents in Liquid Chromatography
Explore the types of ion-pair reagents used in liquid chromatography, including traditional, volatile, and elution agents, and their applications for improved peak retention and shape. -
New Safety Precautions for HPLC: Handling Extreme Heat, Lightning, and Heavy Rain
In addition to making people uncomfortable, high temperatures can also affect our HPLC systems. Have you noticed that summer is a season when HPLC problems frequently occur? Let's take a... -
Spotlight: Welch Ghost Buster Columns High-Pressure Endurance Test
In liquid chromatography analysis, when buffer salts or acidic additives are used in the mobile phase and gradient elution is employed, it is common to encounter inexplicable peaks on the... -
Immunoaffinity Cartridges for Mycotoxins: Common Questions and Answers
Mycotoxin Immunoaffinity Cartridges—These cartridges adsorb mycotoxins based on the specific interaction between antigens and antibodies. For first-time users, there are often many questions. The most frequently asked questions include: 'How... -
The Shield of Preparative Liquid Chromatography: Prep In-Line Filter
Mountains of Samples Piling Up? A Tiny Seal Failure? Preparative Column Blockage? Suboptimal Purification and Separation? Today, the On-Line Filter solves it all with a single click. Why Can an... -
Usage Precautions for Welch Sugar Columns
Precautions for Using Welch Sugar Columns Welch Sugar Columns are tightly packed with resin in an expanded form. If the sample has been properly pre-treated, most issues are related to... -
Preventing Hydrophobic Collapse: Demystifying AQ Columns
Chromatography enthusiasts are well aware that reverse phase chromatography (RP-HPLC) is one of the most widely used separation modes. It can analyze a majority of compounds ranging from low to... -
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.
