Sentence examples for materials for benzene from inspiring English sources

Two metal organic frameworks have been characterized for their suitability as gas pre-concentration materials for benzene and toluene using inverse gas chromatography and mass spectrometry measurements in order to obtain breakthrough values for gas adsorption.

It was found that prepared candidates for reference materials for benzene and toluene are homogenous.

In the paper, the results obtained in preparation of the new reference materials for benzene and toluene are presented, based on the thermal decomposition technique of compounds chemically bound to the surface of optical fibre segments.

The results obtained at various stages of the research procedure (homogeneity, stability) confirmed the possibility of using prepared laboratory samples of materials as reference materials for benzene and toluene.

Indicative values for the prepared candidates for reference materials for benzene and toluene materials were calculated as the arithmetic mean of the measurement results obtained in the evaluation of the between-unit homogeneity of individual materials.

Accordingly, Fig.  4 contains the information on the possible errors' sources associated with the use of candidates of matrix-free reference materials for benzene and toluene in everyday practice.

Urinary SPMA is part of the German external quality assessment scheme for analyses in biological materials for occupational benzene monitoring (Angerer et al., 2007).

It is also shown that the main element of uncertainty related to heterogeneity of prepared materials is connected with within-unit homogeneity of materials (83.5 % for benzene and 97.9 % for toluene).

Based on the obtained measurement results of benzene and toluene released from the surface of glass fibre segments, it is concluded that the materials prepared respectively for benzene and toluene are characterized by both within-unit and between-unit homogeneity.

DOI is valuable as a starting material for the benzene-free synthesis of catechol and other benzenoids.

Prepared candidates for benzene and toluene reference materials are characterized by relatively high uncertainty values (72%% for benzene and 66%% for toluene).