Chamomile essential oils were analyzed by GC and GC×GC with both FID and TOFMS. A method was determined that reduced the analysis time from nearly two hours to just over 20 minutes without a relative ...

These courses are 20% theory and80% practical in a lab environment. This course addresses gases and plumbing, sample introduction, analytical columns, GC detectors (FID and ECD), mass-spectrometry and ...

Cholesterol levels from dried plasma spots of 23 unaffected subjects and 9 Smith-Lemli-Opitz patients by APTDCI-MS/MS method and by enzymatic method were correlated (y=0.9166x + 0.3811; r= 0.8831) as ...

The demand for skilled laboratory professionals continues to grow, and chromatography techniques remain dominant tools in nearly every industry. Whether performing a straightforward environmental Gas ...

Linear measurement in the gas phase is illustrated in Figure 4. Acetaldehyde is the principal potential interferent for ethylene oxide – not unlike the compendium GC-FID method, 10 even though both ...

In 2012, the European Food Safety Authority (EFSA) flagged mineral oil hydrocarbons (MOH) as a potential health concern, and since then, food contamination with these substances has been a major ...

For example, in 2016 Mudge et al. utilized HPLC-DAD to perform both a qualitative and quantitative analysis of the major components of cannabis, of which included ∆ 9 -THC, THCA, CBN, CBD, CBDA ...

These courses are 20% theory and80% practical in a lab environment. This course addresses gases and plumbing, sample introduction, analytical columns, GC detectors (FID and ECD), mass-spectrometry and ...