GC MS quantitation with EIC - Chromatography Forum
2024年1月31日 · I'm using GC MS for quantitation. Originally I used selective ion monitoring mode to quantify analytes of interest, which I have commerical standards of. So I have been …
How to determine quantitation limit (QL)? - Chromatography Forum
2011年6月8日 · Hi I work in a pharmaceutical company, as a general practice in the company, QL is determine by inject QL solution 6 times, RSD% must NMT 10% and accuracy @ QL must …
Quantitation/Qualifier Ions - Chromatography Forum
2006年5月17日 · Are qualifier ions neccessary for quantitation of known compounds? I have an LC-MS method where I've seperated my two known compounds but when I look at the mass …
Quantitation Gas Chromatography - Chromatography Forum
2008年7月1日 · Quantitation in Gas Chromatography. phuonghuynh Posts: 4 Joined: Tue Jul 01, 2008 8:51 am Location ...
LC-MS quantitation - Chromatography Forum
2016年9月2日 · How is resolvation volume included during quantitation? I mean, if I resolvate the dry sample, for example in 150uL of solvent and inject 5uL in mass spectrometry, how am I …
Area vs. Height - Chromatography Forum
2008年1月17日 · This is especially important when quantitation is performed as a ratio to another peak. For instance related substances with different retention times are often calculated as a …
MSD Chemstation quantitation report - Chromatography Forum
2008年9月25日 · In the quantitation report printout of MSD chemstation, there several columns such as : Compound R.T. QIon Response Conc Units Dev(Min) Below the Dev(Min) there is …
below the Limit of quantification - Chromatography Forum
2005年8月27日 · Limit of Quantitation (LOQ) is just that, a limit. Your imp-1 may be detectable, but it is not reliably quantifiable. Thus, you would not want to report a number for it, or base …
Quantitation of mineral oil (liquid vaseline) as an API
2004年8月30日 · For quantitation you could take the Arochlor approach; sum all the oil peak areas, or integrate across the bottom of the spikey hump, and calibrate with known …
Xcalibur quantitation problem and data file issues
2005年8月22日 · A discussion thread about Xcalibur software issues and solutions for Thermo data analysis. No direct answer to open quan file, but some suggestions to export to CDF or …