Sentence examples for present as an impurity from inspiring English sources

Iron is present as an impurity.

Complex reactions occur in this system especially when oxygen is present as an impurity.

They do so because Ru effectively oxidizes the carbon monoxide present as an impurity in the H2-reformed fuel.

% Na2SO4 present as an impurity caused the appearance of several peaks in the voltammograms including a large anodic peak when the mol.

The source of white vitriol was the mineral goslarite (ZnSO4·7H2O), and although potassium could be present as an impurity it is also possible that it was introduced through some sort of processing before use.

The role of Cl-ions, present as an impurity in the pigment, coming from marine aerosol, from the used binder or from pollution, in the degradation of vermillion has been ascertained thanks to the identification of chlorine species [197, 199, 202, 203, 207 209].

ETU is also present as a 0.01 4.5% impurity in EBDC formulations (Camoni et al. 1988; Lindh et al. 2008).

Migration from coatings of canned products and from lids of glass jars and bottles may occur due to the presence of BPA monomer from incompletely polymerised epoxy resin coatings and of BPA present as a residual impurity of the epoxy substance bisphenol A diglycidyl ether (BADGE).

That process resulted in the formation of perovskite CaTiO3 with an involvement of calcium present in carbon as an impurity.

Carbon was spotted at 284.3 eV as an impurity present in the film.

AMD3100 started as an impurity present in a preparation (JM1600) sent from Johnson Matthey (JM) to be checked for its anti-HIV activity at the Rega Institute.