Sentence examples for determination of trace PAHs from inspiring English sources

The system was then applied to the determination of trace PAHs present in soil sample which was randomly taken from a nearby highway.

The use of size exclusion chromatography as a sample preparation step for the determination of trace PAH amounts in technical products was found to be insufficient.

A schematic diagram of the two-step sample preparation procedure for the determination of trace PAH content in technical products described in this paper is depicted in Fig.  3.

In contrast with the lack of effective sample preparation procedures for the determination of trace amounts of PAHs in complex mixtures, such as fractions from vacuum distillation or technical products, the final determination procedures are well developed, provided that the samples practically do not contain aliphatic and alicyclic derivatives of PAHs.

The paper describes the procedure for the sample preparation of petroleum products for the determination of trace amounts of PAHs.

This paper describes a novel method of sample preparation for the determination of trace concentrations of polycyclic aromatic hydrocarbons (PAHs) in high-boiling petroleum products.

Thus, the determination of trace amounts of copper from different matrices is of great importance.

The method also allows the determination of trace amount of these metallic species.

An inductively coupled plasma-optical emission spectroscopy was used for determination of trace metal concentrations.

Its therapeutic and toxic effects require very sensitive methods for determination of trace levels.

The developed method was successfully applied to the determination of trace Fe in the drinking water.