Spectrometry, Mass
The tandem quadrupole (also known as triple quadrupole) is arguable the most popular type of LC-MS instrument, and is the gold standard for quantitative analysis due to its outstanding sensitivity in MS/MS mode. A tandem quadrupole employs two quadrupole mass analyzers in series with a collision...
Gas purity can have a great effect on the outcome of an analytical laboratory procedure and must be taken into consideration when using a laboratory gas for sample preparation or measurement. Laboratory and calibration gases are also used in emission and absorption spectroscopy, mass spectros...
Understanding the removal mechanisms and kinetics of trace tetracycline by activated sludge is critical to both evaluation of tetracycline elimination in sewage treatment plants and risk assessment/management of tetracycline released to soil environment due to the application of biosolids as fertilizer. Adsor...
IT data provided a better understanding of the fragmentation pathways using MS n experiments. With respect to analytical performance, all four mass analyzers showed a good linearity ( R 2 > 0.97) and repeatability (CV < 20%). Detection limits (LoDs) (S/N = 3) were the lowest on triple...
This mass analyzer tube provides a most simple and convenient technique for the comparison of performance and operating characteristics of various types of non-magnetic mass analyzers under the same operating conditions.doi:10.1016/0029-554X(69)90219-5H.B. Lall...
In the present study, the loss in chromatographic efficiency attributed to nine different mass spectrometers of various brands, ionization source geometries and types of analyzers was assessed. In their standard configurations, the extra-column variance of these UHPLC–MS systems was estimated to vary...