Application Notes: Environmental
Activated Carbon PFAS Delay Column
PFAS are known to be persistent in the environment. Detecting low levels of PFAS in drinking water is made easier using an Activated Carbon Delay Column.
Development and Validation of GC/TQ Methods for the Analysis of Hazardous Chemicals
The Agilent MassHunter Optimizer software for GC Triple Quad (GC/TQ) can help generate multiple reaction monitoring transitions for newly added compounds.
Workflow for Food Classification and Authenticity Using Yerba Mate and High-Resolution GC/Q-TOF v4
This application note provides an example of a novel food authenticity workflow that can be used for food classification and detection of food fraud.
Volatile Organic Compounds Analysis in Soils and Sediments Using the Agilent 8697 Headspace Sampler
This application note describes the analysis of volatile organic compounds (VOCs) analysis in soil and sediments using a headspace sampler and GC–MS system.
Accelerated Determination of Microplastics in Environmental Samples Using Thermal Extraction Desorption-Gas Chromatography/Mass Spectrometry (TED-GC/MS)
Thermal extraction desorption-gas chromatography–mass spectrometry method automation, increased sample throughput, for quantifying microplastics in environmental samples
An Alternative to EPA Method 1613B: Determination of 2,3,7,8-Substituted Tetra- through Octa-Chlorinated Dibenzo-p-Dioxins and Dibenzofurans (CDDs/CDFs) Using Agilent Triple Quadrupole GC–MS
Data creates alternate testing protocol for U.S. Environmental Protection Agency for GC–MS analysis of tetra- through octa-dioxins and furans equivalent to EPA Method 1613B
Suppressed Anion Chromatography – Analysis of Anions (SI-36 4D)
The SI-36 4D does not require organic solvent to achieve the separation. Gradient conditions and phosphate ions are eluted within 15 minutes, so analysis time is short.
Suppressed Anion Chromatography – Analyzing Oxyhalides and Anions (SI-52 4E)
Oxyhalides and anion standards in tap water were analyzed successfully using IC SI-52 4E. This is applicable to analyzing sources like rain, river water, and runoff.
Suppressed Anion Chromatography – Anion Standards (SI-90 4E)
The application successfully separates the 7 typical ions including F-, Cl-, NO2-, Br-, NO3-, PO43-, and SO42-, and it fulfills US EPA Method 300.1 (A) requirements.
Anion Standards (Comparison of NI-424 and I-524A)
The seven main anions can be separated quickly using the IC NI-424 column. Improvement has been made in the separation of chloride and nitrite ions.
Rapid and High Resolution Fused-Core® Solutions for PFAS Analysis
Fused-Core® Technology benefits PFAS analysis for fast, efficient, and rugged separations which are paramount to environmental analysis.
PFAS Analysis Using Fused-Core® Technology
HALO® PFAS and PFAS Delay columns are application verified columns well suited for challenging environmental sample analysis.
PFAS Analysis of EPA 8327 v2
High resolution separation of 24 PFAS compounds using the HALO® PFAS Delay column coupled with the HALO® PFAS analytical column.
Rapid Analysis of 33 PFAS Compounds v2
High throughput analysis of 33 PFAS compounds found across EPA methods 533, 537.1, and 8327 in under 5 minutes.
HALO® PFAS Column Solutions v2
HALO® PFAS delay and HALO® PFAS analytical columns deliver rugged, reproducible performance for the most challenging environmental sample matrices.
Environmental Analysis of Harmful and Organic Chemical Compounds
Rapid and high-resolution analysis of PFAS compounds across EPA methods 537.1, 533, and 8327, using the new HALO® PFAS delay and analytical columns.
Application Note: 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.
How Do Isotope Fingerprints Support Petrochemical Investigations?
Exploring isotopes in petrochemical materials can reveal information on original source materials, and maturation and biodegradation processes on different time scales.
Application Note: Direct Analysis of PFAS in Multiple Samples
This application note demonstrates analysis at low levels (ng/L) in a wide variety of matrices for EPA 8327 method validation.
Application Note: PFAS Determination in Drinking Water
This application note describes an efficient and reliable method to meet U.S. EPA Method 537.1.
LC Column Chemistries for Full Coverage of PFAS Analyte Ranges v2
A wide variety of LC column chemistries were evaluated to demonstrate new chromatographic approaches to complex PFAS analyte lists.
Strata® GCB for PFAS Extraction and Clean-Up v2
Phenomenex announces a new graphitized carbob black (GCB) SPE tube for DOD QSM 5.3 compliant PFAS analysis.
EPA Method 537.1 - PFAS in Drinking Water v2
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.
Perfluoroalkyl Substances (PFAS) Testing Guide v2
Application guide to PFAS analysis in environmental and food samples, from sample preparation to LC–MS/MS analysis, featuring both validated and exploratory methods.
PFAS Analysis Using a pH-Variable LC Mobile-Phase Gradient v2
A novel LC approach to manipulate the chromatography of closely related PFAS analytes to separate co-eluties and avoid matrix interferences.
California PFAS Panel Analysis in Drinking and Wastewater v2
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
Fast and Economical PFAS Extraction Using Strata PFAS v2
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.
EPA Method 533: PFAS in Drinking Water v2
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.
EPA 527 Pesticides and Flame Retardants
This application note demonstrates a sample preparation method using the Empore SPE disk to extract analytes from water samples based on EPA 527 followed by GC–MS.
Detecting Trace Herbicides in Water
This application note demonstrates a sample preparation method using the Empore SDB-XC SPE cartridges to extract 16 herbicides from water samples followed by GC–MS.