Application Notes: General

This application note demonstrates the performance of Empore SDB-RPS disks in the monitoring of Organophosphorus pesticides in ground water using EPA Method 8141B.

Read about the advances in pharmaceutical stress testing over the past 20 years, and learn about novel analytical and automation tools that will support your work.

· Traps and “delays” system-related PFAS, preventing interference · Allows accurate identification and quantitation of trace-level PFAS · Highly retentive-no breakthrough even with extended equilibration times

-Analysis of the Fast-5 pesticides -New directions in terpenes testing -FAQs about pesticides analysis in cannabis testing

- Solid-phase extraction can now enable robust extraction and solid results. - SPE cartridge technology provides advantages for extracting water samples.

Why water quality matters Improved weighing accuracy that conforms to regulations How filtration impacts your HPLC results

H2O2 is often used as oxidizing agent in toothpaste. A fast and sensitive method is presented to allow the quantitation of hydrogen peroxide in less than 3 min.

This note using YMC-Triart Bio C4 shows a robust separation at high temperatures for three commercially available mAbs: ofatumumab, palivizumab, and panitumumab.

This application note demonstrates the performance of an IC-MS/MS workflow for the analysis of polar pesticides in compliance with EU MRLs and EU SANTE guidelines.

This application note demonstrates the use of high-temperature headspace sampling as a surrogate vaporization environment to evaluate e-juice thermal degradation.

* Novel balance systems: next step toward lab automation? * Trends in sample prep * New lab weighing technology

-Use of smaller and sub-2-µm superficially porous particles for LC separations -Adoption of LC and SPP in cannabis testing -Metal–organic frameworks for liquid chromatography

The Column spoke to Jelle De Vos from the Department of Chemical Engineering at the Vrije Universiteit, in Brussels, Belgium, about his work investigating the performance of columns packed with 1.7-μm particles at high-pressure conditions (ΔPmax = 1034 bar) and linking it to particle and column-bed integrity.

A review of the 13th International Symposium on Packed Column SFC and SFE Techniques (SFC 2019), which was held in Philadelphia, Pennsylvania, USA, on 29 September–1 October 2019.

-483 citations and data integrity -FDA’s Data Integrity Guidance -Weighing in pharmaceutical and food labs

The effect of carrier liquid composition on the molecular properties of uncross-linked and enzymatically cross-linked caseinate solutions was studied by asymmetrical flow field-flow fractionation (AF4).

This application note demonstrates the transfer of analytical HPLC methods from an Agilent 1260 Infinity LC system to the Vanquish Core HPLC system.

This application note demonstrates the transfer of analytical HPLC methods from a Waters Alliance HPLC system to the Vanquish Core HPLC system.

The molecular similarity between Humira® and Yervoy® biosimilars and the corresponding innovator reference products is examined using analytical SEC, RPC and HIC.

· Traps and “delays” system-related PFAS, preventing interference · Allows accurate identification and quantitation of trace-level PFAS · Highly retentive-no breakthrough even with extended equilibration times

-High-efficiency source in GC/MS: using sensitivity to enhance productivity -Simultaneous analysis of volatile organic compounds and 1,4-dioxane -Industry challenges and the importance of reliable, robust technology

A focus on research scientist and analytical chemist, Diana Jaeger, analyzing samples using LC/TQ for River Stone Biotech, a new player in synthetic biology.

A simple and sensitive method is presented for the direct analysis of Glyphosate and AMPA in drinking water without sample derivatization or pre-concentration.

This application note outlines a simple SPE procedure for the extraction of 26 diverse per- and polyfluoroalkyl substances (PFASs) in drinking water.

The evaluation of a system for automatic preparation and documentation of 100% comparable standards

• Special considerations when updating software • Data integrity challenges in the cloud environment • Implications of moving to the cloud with respect to audits

• Validating custom calculations • The importance of a second-person review and locking data • How to compile a data-integrity plan · · ·