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Column Packing and Preparation for Hydrophobic Interaction and Reversed Phased Chromatography

This page discusses column packing and preparation techniques for reverse phase chromatography.

Maintenance of Multimodal Chromatography Media and Storage Conditions

This page describes the maintenance of media and storage conditions for multimodal chromatography using Cytiva products.

Characterization of Stable Isotope Caffeine as Reference Material for Isotope Dilution Mass Spectrometry

This technique is based on the direct proportionality of mass fraction ratio and signal intensity ratio of the natural isotope and the C-13 labeled caffeine.

Cannabinoid CRMs: Testing Accuracy & Traceability

ISO-certified cannabinoid CRMs, THC and THCA, available as single components or mixes, for accurate potency testing.

Isotopically Labeled Steroid Standards

Anabolic steroid testing remains crucial in competitive sports to maintain fairness.

The Proper Storage and Handling of Volatile Analytical Standards

Properly storing and handling standards is critical to achieving accurate and reproducible analytical results.

Synthetic Cannabinoid Analysis

A large variety of cannabinoid drug standards, along with an HPLC method with the Supelco Ascentis® Express RP-Amide column, are presented in this article.

Certified Reference Materials for ¹⁹F NMR

Introduction of 19F qNMR certified reference materials for complex molecule certification.

Factors Affecting Analyte Binding on Membrane Filters: A Guide for Filter Validation in Pharmaceutical Analytical QC

Syringe membrane filter selection and validation methods to assess analyte loss due to membrane filter adsorption in pharmaceutical quality control (QC) testing.

Integrity Test Kit User Guide

Integrity Test Kit verifies small volume filter units' integrity, enhancing filtration reliability in lab processes.

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