Environmental Analysis

Monitoring SVOCs using thermal desorption

This application note summarises the features of Markes’ thermal desorption (TD) systems that allow them to offer excellent performance for the analysis of semi-volatile organic compounds (SVOCs), including long-chain hydrocarbons, PCBs,...

High-performance analysis of PAHs in air by TD–GC–MS

This study investigates the performance of Markes’ thermal desorption (TD) systems for the analysis of polycyclic aromatic hydrocarbons (PAHs) in air. 

High-sensitivity method for the analysis of nonylphenol in river water using GC-MS/MS

In this application note, a method using a high selectivity triple quadrupole gas chromatography-mass spectrometer (GC–MS/MS) to detect for nonylphenol in river water is presented.

QuEChERS approach for the determination of pesticide residues in soil

UCT has produced an application note to evaluate the effectiveness of the QuEChERS extraction and cleanup approach for the analysis of pesticides in soil.

A method validation and field study for the determination of trace-level phthalate esters in air using TD–GC–MS

This application note describes the performance of Markes’ thermal desorption (TD) systems for the GC–MS analysis of trace-level phthalates in air. 

Highly sensitive MRM-based method for detection and quantitation of seven pharmaceuticals and PPCPs in surface water

Shimadzu has produced an application note describing a high sensitivity detection method for the detection of Pharmaceuticals and Personal Care Products (PPCPs) in surface water that does not require pre-treatment and concentration of water...

Highly sensitive LC/MS/MS method for direct quantitation of artificial sweeteners in surface water

Shimadzu has produced an application note describing an LC/MS/MS method for direct quantitation of artificial sweeteners in surface and drinking water.

Quantitative determination of phenols in surface water on LC/MS/MS with APCI interface

Shimadzu has produced an application note describing an MRM-based method for detection and quantitation of phenol and nine substituted phenols in reservoir water, without pre-treatment and pre-concentration.

How to achieve faster semivolatiles analysis with a scaled-down method and GC accelerator kit

Analysis times for semivolatile compounds can limit sample throughput and decrease overall lab productivity. In this technical article, an example of scaling down EPA Method 8270 and using a GC Accelerator kit to reduce cycle time is presented....

Achieve quantitative determination of semi-volatile PCBs using TD–GC–MS

This study describes the performance features that enable Markes’ thermal desorption (TD) systems to be used for the GC–MS analysis of trace-level polychlorinated biphenyls (PCBs) in air.

Removing purple pigmentation from cannabis using QuEChERS

UCT has produced an application note outlining a QuEChERS extraction procedure for the analysis of 5 mycotoxins and 47 pesticides in cannabis.

Using thermal desorption for the quantitative analysis of long-chain hydrocarbons

This study investigates the ability of Markes’ thermal desorption (TD) systems to monitor semi-volatile organic compounds (SVOCs), using a wide range of n-alkanes (n-C16 to n-C44) as a model.