analytical chemistry - Difference between the terms “analyte” and ...
2019年12月2日 · “Analyte” is the term that is usually universally understood and is listed in IUPAC Gold Book: analyte The component of a system to be analysed.
analytical chemistry - Identifying analytes in Gas Chromatography ...
2023年12月15日 · Identifying analytes in Gas Chromatography. Ask Question Asked 1 year ago. Modified 1 year ago. Viewed 52 ...
analytical chemistry - What exactly is causing analyte protonation …
2021年4月23日 · But indeed, to produce protonated analytes it indeed requires a source of protons. So what is the source of protons? One should go back to the initial stage of ESI, …
intermolecular forces - Does gas chromatography follow the "like ...
2019年1月10日 · For polar columns like DB-WAX, it is very clear that polar analytes have longer retention times, i.e. bind more tightly compared to non-polar analytes with the same boiling …
What is pre-concentration (context: Breath analysis)?
What is the meaning of pre-concentration both in general and specific to this context of a) "In addition to consistent sampling protocols,.. pre-concentration, and analysis of breath samples …
How come water would not affect the results of a titration?
Considering a direct titration: You will probably use a volumetric pipette to pass the acid solution to the erlenmeyer used on the titration, so the volume of acid is known (the exactly volume of …
Uv vis and fluorescence spectroscopy: sensitivity
2017年11月21日 · Absorbance may occur from non-analytes, while fluorescence is often quite specific to an analyte or a fluorophore-tagged analyte. Also, instrumental setup could play an …
organic chemistry - In High Performance Liquid Chromatography, …
2019年9月5日 · In case the analytes have significant acido-basic behaviour, there are usually used buffer solutions, instead of pure water, for better and consistent distinguishing of their …
Retention time and dead time - Chemistry Stack Exchange
2019年5月24日 · Retention time is usually characteristic for a specific compound in a given separation. For this reason, the retention time is critical in identifying analytes once their …
analytical chemistry - Why there is no need for reference …
2020年4月29日 · Like any claim, there are always exceptions. Structural isomers can be a problem. If we have isotopologues (isotopic isomers), even HRMS will fail. Say you have two …