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EPA Method 533: PFAS in Drinking Water
In a commercial laboratory setting, Strata-X-AW and Gemini 3 µm C18 show excellent precision and recovery in EPA Method 533 for the analysis of PFAS in drinking water.
Fast and Economical PFAS Extraction Using Strata PFAS
Strata PFAS (WAX and GCB combined in a single SPE tube) compliant with DOD QSM 5.1, but more accurate, precise, and economical than dual tube or dispersed GCB solutions.
PFAS in Food using QuEChERS, SPE, and LC–MS/MS
A QuEChERs + SPE sample preparation technique coupled with LC–MS/MS is shown to provide sub-ppb analysis of PFAS in dairy and fish samples.
California PFAS Panel Analysis in Drinking and Wastewater
Validation of a water and wastewater method for the California PFAS panel using SPE (WAX/GCB) preparation and LC–MS/MS analysis with a variable pH LC mobile phase
Strata® GCB for PFAS Extraction and Clean-Up
Phenomenex announces a new graphitized carbob black (GCB) SPE tube for DOD QSM 5.3 compliant PFAS analysis.
Determination of PFAS in Marine and River Sediments v2
A municipal wastewater laboratory demonstrates the use of QuEChERs sample preparation techniques to analyze PFAS in sediments at sub ng/g levels.
Determination of PFAS in Marine and River Sediments
LC Column Chemistries for Full Coverage of PFAS Analyte Ranges
A wide variety of LC column chemistries were evaluated to demonstrate new chromatographic approaches to complex PFAS analyte lists.
EPA Method 537.1 - PFAS in Drinking Water
Strata-SDB-L and Luna Omega 1.6 µm PS C18 demonstrate excellent precision and recovery in EPA Method 537.1 for the analysis of PFAS in drinking water.
PFAS Analysis Using a pH-Variable LC Mobile-Phase Gradient
A novel LC approach to manipulate the chromatography of closely related PFAS analytes to separate co-eluties and avoid matrix interferences.
Rapid Rinse and Shoot: Screening Workflow for Pesticides in Fruit by GC/MSD in Under Six Minutes v2
Workflow for Food Classification and Authenticity using Yerba Mate and High-Resolution GC/Q-TOF v2
Automated MRM Method Development for Pesticides in Cannabis Using the Agilent MassHunter Optimizer for GC/TQ v2
Quantification of Nitrosamine Impurities in Metformin Using Agilent GC/MS/MS Instrumentation v2
Increasing Throughput for Forensic Screening of Raw Case Samples Using the Agilent QuickProbe GC/MS System v2
MCPD and Glycidyl Fatty Acid Esters
3-MCPD and glycidyl fatty acid esters are processing-induced contaminants of concern, primarily found in refined fats and oils, and foods derived from them.
Air Analyzer for VOCs
An online thermal desorber has been developed for the automated, in situ, determination of VOCs. The system does not need liquid nitrogen or CO2.
Application Note: Poisoned by Plastic, Analysis of BPA
Plasticizers added to water bottles to add stability to the bottles can be unknowingly extracted in drinks leading to possible endocrine interactions.
EPA Method 533: Per- and Polyfluoroalkyl Substances in Drinking Water
This application note outlines the analysis of PFAS in drinking water according to EPA 533 using UCT’s Enviro-Clean® polymeric weak-anion exchange (WAX)SPE cartridges.
Application Note: AAV Application Notebook
AAV characterization and stability screening are achieved with multi-angle light scattering coupled to separation methods and high-throughput dynamic light scattering.
Comprehensive Screen of DOAs Using UCT’s Micro-Prep® HLB
In this application note, a method for extracting a large drugs of abuse panel from urine and plasma using UCT’s Micro-Prep® HLB microelution plate has been described.
HRAM LC–MS Method for Determination of Drug Nitrosamine impurities
To demonstrate fast, highly sensitive quantitation of nine nitrosamines with LC–MS measuring impurities in commercially available ranitidine drug substances and products
LC–MS/MS Solution for Quantitation of Nitrosamine Impurities in Metformin
This application note demonstrates robust and sensitive quantitation of 10 nitrosamines, and the use of the LC–SRM–MS to quantify nitrosamine impurities in metformin.
HRAM LC–MS Method for the Determination of Nitrosamine Impurities
This application note demonstrates fast, highly sensitive quantitation of nine nitrosamines, and the use of the LC–MS method to measure nitrosamine.
Strategies for Wastewater Analysis for Surveillance of SARS-CoV-2
Download this guide to learn the strategies to consolidate chemical reference parameters and population biomarker analysis to support the wastewater-based epidemiology.
Comprehensive Fractionation of Herbal Medicine Components
This article introduces a comprehensive fractionation for both UV absorbing and non-UV absorbing compounds using a newly designed PDA-ELSD triggered preparative LC.
Expanding the Characterization Toolkit with FFF-MALS: Developments, Techniques, and Applications
Analysis of Volatile Organic Compounds in Environmental Samples
This e-book demonstrates the use of Purge and Trap coupled with GC–MS to meet the challenges of VOC analysis for the most common EPA regulations and methods.
Multivitamin Analysis by LC–UV
Multivitamin standards were prepared and filtered using 2-step Verex Filter Vials.
Hydrocortisone Extraction from Topical Cream Using a Luna® C18(2) LC Column
Hydrocortisone was extracted from a topical cream and filtered using Verex Filter Vials. Samples were run by LC–UV to see if using filter vials created any loss of sample.