Knowledge Base
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A Complete Solution from Welch Materials for the Determination of Neotame in Food
Neotame is a food additive widely used in various food products. Due to its potential adverse effects, its use must comply with the maximum usage limits and permitted categories specified by relevant regulations. In this article, we introduce our solution using SPE-HPLC and SPE-LC-MS/MS, based on the Chinese national food safety standard GB 5009.247-2025. -
Common Problems in Solid-Phase Extraction: A Practical Troubleshooting Guide
Solid-Phase Extrtaction is a fast, easy and high-performance sample preparation technique widely used, but routine SPE runs can encounter recurring problems. This article summarizes typical causes and practical fixes for each SPE problem.