GERSTEL

Volatile flavor and aroma compounds are extracted and determined in e-liquids for regulatory compliance purposes using SBSE-TD-GC-MS, in an efficient solvent-free workflow.

VOCs collected from air onto a sorbent packed tube are released by thermal desorption and focused for GC-MS determination using the novel cryogen free dynamic focusing

Monitoring of per- and polyfluoroalkyl substances (PFAS) in air is successfully performed by the US EPA using Thermal Desorption-GC/MS.

Novel Thermal Desorption-GC/MS method for determination of formaldehyde using PFPH, automatically loaded onto Tenax TA adsorbent, as derivatization agent.

GERSTEL TD 3.5+ Thermal Desorber successfully passes method VDA278 system performance test for automobile material emissions increasing sample capacity and throughput.

VOCs collected from air onto a sorbent packed tube are released by thermal desorption and focused for GC-MS determination using the novel cryogen free dynamic focusing

Passive sampling of plant volatiles using TF-SPME and GERSTEL Twister, respectively, is compared with active sampling onto PDMS foam- and TenaxTA-filled Tubes

Lipid oxidation generates off-odors in food, edible oils, and fats. DHS or Thermal Extraction-GC–MS/O using Sensory Directed Analysis quickly identifies off-odors

An analytical approach combined with PCA is compared to sensory-directed analysis (SDA) for differentiating honey from multi-floral, wildflower, and clover sources

Determination of flavors in smoothies using standard- and solvent-swollen Twister® stir bars, liquid desorption, and LVI-GC/MS for enhanced recovery of polar compounds

Smart Ramped Pyrolysis-GC–MS analysis of forensic samples such as paint, adhesive tape, and mascara gives maximum information in a single run without method development

Smart-ramped pyrolysis-GC–MS analysis of forensic samples such as paint, adhesive tape, and mascara gives maximum info in a single run without method development.

Smart-ramped pyrolysis-GC–MS analysis of nylon material in consumer products, food packaging, and clothing generates info in one run without method development.

Smart-ramped pyrolysis-GC–MS analysis of (meth)acrylates in consumer products, caulk, and nail hardener gives maximum info in a single run without method development.

Solvent-free extraction by passive sampling using TF-SPME and HSSE, and by active pumped sampling onto sorbent tubes, are compared for TD-GC–MS analysis of volatiles.

Olfactory detection of sensory-active compounds guides GC–MS analysis for efficient flavour assessment of foodstuffs and their plant-based replacement products.

Solvent-free extraction and analyte concentration using TF-SPME and SBSE are optimized for TD-GC–MS determination of flavour compounds in hard seltzer beverages.

This study demonstrates the use of pyrolysis-(GC¬–)MS to generate simulated TGA-MS data for polymers. The mode of operation is also referred to as evolved gas analysis.

Smart-ramped pyrolysis-GC¬–MS analysis of microplastics in water filtration residue gives maximum info in one run. Examples are runoff, grey-, pond-, and bottled water.

A micro-scale chamber method performs DNPH derivatization and Tenax TA sorption for analysis of formaldehyde and carbonyl compounds by LC–UV, and VOCs by GC–MS.

Smart ramped pyrolysis-GC–MS analysis of forensic samples such as paint, adhesive tape, and mascara gives maximum info in a single run without method development.

Webinar Date/Time: Tuesday, January 31st, 2023 Session 1: 9am EST | 2pm GMT | 3pm CET Session 2: 2pm EST | 11am PST | 7pm GMT

Yoghurt aroma compounds and comprehensive profiles are determined using solvent swollen PDMS-Twisters for solvent assisted SBSE followed by Liquid Desorption-GC/MS, sensory assessment, and multi-variate analysis-based classification.

Are you using sample preparation techniques effectively in your HPLC and GC methods? Are you aware of the latest advances in sample preparation? Join us for this informative web seminar to learn more about how to use sample preparation effectively and the latest advances in sample preparation techniques. The panelists can answer your questions too! Part 1: Thursday, Sept. 17, 2020 at 10am EDT| 2pm BST| 3pm CEST Part 2: Friday, Sept. 18, 2020 at 10am EDT| 2pm BST| 3pm CEST On demand available after final airing until Sept. 18, 2021.

Automated GC/MS determination of 3-MCPD and glycidol in edible oils. Evaporation step helps reach required LODs with standard MSD and removes excess derivatization reagent for improved stability.

Automated QuEChERS clean-up of hemp oil extracts combined with liquid introduction and PTV-GC–MS determination of pesticides leads to improved throughput and low LOQs.

Automated liquid extraction, clean-up and LC-MS/MS determination of mycotoxins in edible oil, including accurate transfer of oil samples, is presented and data reported.

Automated liquid extraction, clean-up and LC-MS/MS determination of mycotoxins in edible oil, including accurate transfer of oil samples, is presented and data reported.