Sentence examples for determine traces of from inspiring English sources

LC-ESI PI -MS and PLC-ESI PI -MSas extraction technique to determine traces of steroid hormones (incLC-ESI PI -MSens, androgens, and PLEgestogens) in soil; the LODs were in the range 0.08–0.89 μg·kg−1.

This article describes the development and characterization of a partially selective preconcentrator/focuser (PCF) module for a field-portable micro-scale gas chromatograph (μGC) designed to rapidly determine trace levels of two vapor-phase markers of the explosive trinitrotoluene (TNT): 2,3-dimethyl-2,3-dinitrobutane (DMNB) and 2,4-dinitrotoluene (2,4-DNT).

To study the practical performance of the proposed calixarene-based sensor, it was employed to determine trace amounts of ammonium in spiked water samples.

This study evaluates solid-phase microextraction (SPME) coupled with gas chromatography mass spectrometry (GC MS) to determine trace levels of amphetamine and methamphetamine in serum.

An HPLC method was developed and validated to determine trace amounts of dexamethasone related substances on dexamethasone-coated drug-eluting stents.

The results showed that the proposed HF-LPME method could be successfully applied to determine trace amounts of PGL in biological samples.

A sensitive analytical method is investigated to concentrate and determine trace level of Sildenafil Citrate (SLC) present in water and urine samples.

According to the presented results, the rather complex MCT evaluation is not needed to evaluate if the chosen chromatographic conditions are suitable to determine trace levels of perchlorate and if sample preparation is needed.

The accuracy of the method was verified by the determination of arsenic in the reference materials GBW08517 (Laminaria Japonica Aresch) and GBW10023 (Porphyra crispata) and the developed method was successfully applied to determine trace amounts of arsenic in edible seaweeds.

Finally, the obtained Pt-NCs@PEI are used to determine trace amount of metronidazole (MTZ) in buffer solution in showing a linear response over a concentration range of 0.25 300 μM and a low detection limit of 0.1 μM.

The method of fluorometric determination of trace amount of selenium with 2,3-diaminonaphthalene, described in details elsewhere [ 14], was used to determine trace amounts of selenium in nail samples.