analytical chemistry - Difference between the terms “analyte” and ...
Dec 2, 2019 · The ionized analyte ions formed in the interface between the HPLC and the mass spectrometer cannot survive collision with air molecules in the analyzer. … and on p. 151: Gas …
analytical chemistry - Does aliquot matter for final concentration ...
Dec 11, 2022 · grams analyte/ ml × 40 ml = grams analyte extracted Now, in order to determine the original concentration of whatever solution you extracted from (assuming 100% extraction …
Retention time and dead time - Chemistry Stack Exchange
May 24, 2019 · $\begingroup$ "The dead time tM can be also interpreted as part of the retention time tR(A) for the analyte A, which the analyte spends in the mobile phase moving through the …
What is the burette solution called in a titration, when its ...
Jun 29, 2022 · Generally in titration, the unknown solution is in the conical flask, called the analyte; the standard solution is in the burette, called the titrant. How do the terminologies …
What is the purpose of subtracting the blank when constructing an ...
Jul 9, 2020 · I can build two calibration curves using the same measurements, one plotting the total intensity recorded at each point (F) and the other plotting the total intensity recorded …
analytical chemistry - What are quantifier and qualifier ions in …
Mar 19, 2021 · Structural isomers may very closely related mass spectra and their molecular ion peaks would be identical in mass, but their fragmentation patterns might be slightly different. …
acid base - Should the tip of the burette of an automatic titrator …
Feb 27, 2019 · I have tried either inside or outside and they both worked fine. Since I deliver very small volumes at a time (20 μL), I validated the dispensed volume using a balance and dipping …
Finding unknown concentration using HPLC standard curve
Feb 12, 2023 · HPLC sample peak areas are usually compared with standard and end standard peak areas to give a percent of unknown analyte concentration to Standard concentration. …
The Principle of Internal Standardization (in the context of ion ...
Jul 17, 2014 · I construct the calibration curve by plotting the ratio of analyte peak area to IS peak area (or height), as a function of the analyte conentration in the calibration samples. I have …
analytical chemistry - Which is the proper approach to substract …
Feb 12, 2025 · $\begingroup$ Is there an established protocol for this method (ICP-MS) and your (type of) analyte? Analytical labs (consumer protection, medchem at hospitals, etc) often …