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Analysts typically have a selection of instruments in their labs. It all depends on the industry they are working in, the samples and the particular applications.
Instruments from the following manufacturers are common place in the labs of analysts attending our courses, but are not limited to:
Just when you thought you might be the only one, it is in fact common place to see retro instruments working alongside brand new models!
Agilent, for example, have many GC, LC and MS models and series in their range that are in working order in labs today: Agilent: 7890 GC, 7820A GC, 6890N GC, 6850 GC, 6820 GC, 5890 GC, 5973 MSD, 5975C GC/MS, 1100 LC, 1120 LC, 1200LC, 7000 GC/MS triple quadrupole.
It may be surprising to many analysts to learn that analytical laboratories function completely differently depending on application and samples. In case you have never stepped outside your own analysis, here are some examples:
Usually have several LC & LC-MS and GC & GC-MS instruments spread amongst a couple of departments, or a central dedicated analytical facility on campus.
Usually have a larger number of stand alone GCīs, several GC-MS systems, stand alone LCīs and several LC-MS systems. High sample throughput is common place in these labs. Especially where water analysis is performed. Many environmental labs are so well equipped for high throughput sample work, that they have expanded. The ability to analyse a large quantity of samples within a 24 hour turnaround or less, and in the most cost effective manner, keeps the company winning business contracts.
These are such wonderful labs to visit! Most of the large fragrance and flavour laboratories supply fragrances, flavours and aromas to the fast moving consumer goods industries: like household cleaning agents, washing detergents, personal care (shampoo, hair styling, etc), cosmetics, snacks, medicinal products, essential oils in perfumes etc. Across the company sites, you will find several dedicated departments to specific areas, such as raw ingredients testing, manufacturing, quality control and research and development laboratories. Each with its own specific mission. In quality control, for example, many instruments are stand alone systems used for simply analyzing one or a few trace contaminants for high numbers of samples per day. Whereas research and development departments will have perhaps fewer systems, but with more sensitive detectors.
Use LC, GC and MS in their analysis. GC is used in quality control of solvent residues and trace contaminants. LC-MS and GC-MS are typically used in R&D for the much needed development of medicines, and the high throughput testing of large numbers of compounds produced for drug screening. Helping get a drug to market every 10 years, and therefore keeping the R&D departments at the drug giants able to reinvest for the large funding required in the development of future drugs.
Are often working at the trace level in with high degrees of accuracy and confirmation parameters. GC, LC and MS are used regularly in these labs for the testing of drugs of abuse, use of accelerants, alcohol in blood etc. They are also fast throughput environments as many samples must be analyzed quickly for investigation purposes.
There are so many applications of GC, LC and MS, we cannot list them here. But if you are curious about what everybody else does and how it all functions, then feel free to join our forthcoming forum where you can couple with other analysts!
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