News
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Welchrom PSV C18: A Robust HPLC Solution for Preservative Analysis in Complex Food Matrices
Welch Materials introduces the Welchrom PSV C18, an HPLC column specifically developed for the routine analysis of preservatives and colorants in food. -
Welch Columns Successfully Replace Well-known Equivalents After Tariff Hikes
Welch Materials’ Domestic Column Replacement Support Program helped Chinese labs offset tariff-driven cost increases by supplying high-performance local alternatives. Read three customer case studies demonstrating equivalent chromatographic performance, improved baselines, and shorter lead times across pharma, food, and environmental testing. -
Introducing Advanchrom C18: Redefining HPLC Performance Through Innovation
Welch Materials introduces Advanchrom C18, a next-generation HPLC column engineered with ultra-pure hybrid silica and advanced bonding to deliver unmatched pH flexibility, anti-fouling resilience, and batch-to-batch consistency. Discover how this innovation enhances separation reliability and efficiency across diverse analytical applications. -
Chromatographic Column Selection in HPLC Method Development (Part 1)
In the development of reversed-phase liquid chromatography (RPLC) methods, the selection of chromatographic columns is generally approached through two methods: one based on practical experience and the other rooted in... -
SEC (Size Exclusion Chromatography)
Overview SEC (Size Exclusion Chromatography) is a technique that separates molecules of interest by their molecular size. There are 2 types of SEC separation known as Gel Filtration Chromatography... -
Can Normal-Phase Chromatography Be Combined with Mass Spectrometry?
Recently, I have been involved in a project focused on the development of isomers of lycopene, a natural pigment found in food that belongs to the carotenoid family. Over the... -
LP-C18 : Can it Separate Isomers and Chiral Diastereomers?
Following the previous article “1Can LP Columns Only Resist Strong Acids?” this article takes a user-centric approach, guiding everyone in a clear and in-depth exploration to understand the manufacturer’s design...