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App Notes

Results 1–10 of 983

Sampling and Analysis of Volatile Organic Compounds Using US EPA Method 325 at Refinery Perimeters

| Contributed by CDS

This app note demonstrates a method-compliant solution that consists of both hardware and software packages on VOC monitoring at refinery perimeters.

Quick and easy separation of cannabidiol and melatonin

| Contributed by YMC

Cannabidiol is a non-psychoactive cannabinoid which has an easing, anti-inflammatory and antianxiety effect and is used to ease nausea.

Quantitative Analysis of Cannabis and Hemp with HR ICP-OES

| Contributed by Analytik Jena

Analysis of heavy metals in cannabis with high sensitivity, precision and accuracy.

Enhancing the performance of SPME and sorptive extraction for GC–MS using trap-based preconcentration

| Contributed by Markes

GC–MS performance for the sampling of aroma compounds in beverages can be enhanced by using techniques incorporating trap-based preconcentration

IONICON PTR-TOF instruments deployed for COVID-19 detection in breath

| Contributed by IONICON

Advantages of breath gas analysis with IONICON PTR-TOFMS

Moving Mass Spectrometry Out of the Lab and into the Real World

| Contributed by TOFWERK

Real-time mobile monitoring of air with the Vocus chemical ionization TOF mass spectrometer

Determination of 16 Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) in Food using Liquid ChromatographyTandem Mass Spectrometry (LC-MS/MS)

| Contributed by UCT

PFASs are a diverse group of synthetic organofluorine compounds that have been widely used in industrial applications and consumer products

Breath sampling for clinical research and occupational health monitoring

| Contributed by Markes

Breath provides a window into the health of the human body

Improving extraction efficiency of SPME on soil samples by using SPME–trap and SPME–trap with enrichment

| Contributed by Markes

(SPME) is a commonly used sampling technique for the profiling of VOCs from soil; however, the technique is limited by the amount of phase available.

Techniques & Tools Spectroscopy

A high-quality Raman microscope can be recognized by these 5 criteria

| Contributed by WITec

There are several key factors that can be used as criteria for determining the quality of confocal Raman microscopes.

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