Sentence examples for and appreciable quantities of from inspiring English sources

Clay minerals are composed essentially of silica, alumina or magnesia or both, and water, but iron substitutes for aluminum and magnesium in varying degrees, and appreciable quantities of potassium, sodium, and calcium are frequently present as well.

The presence of high ionic strength and appreciable quantities of a complexing agent like EDTA significantly reduce the Pb II) removal (Osman and Bandyopadhyay 1999).

The figure shows that as the pH was increased, the uptake of Cd by both the biosorbents showed a regular increase till a maximum biosorption was reached at pH 4 and appreciable quantities of metal were adsorbed by natural and treated biomass i.e. 72.3 and 95.5%, respectively.

Greenpeace and the World Nuclear Association have found that Moroccan phosphate is particularly high in cadmium and has appreciable quantities of uranium, two heavy metals associated with cancer, kidney failure and bone disease.

The sudden illness or death of farmers, spraymen, pilots, and others exposed to appreciable quantities of pesticides are tragic.

Some types of limes (Nigg et al, 1993) and oranges (Joint Food Safety and Standards Group, Food Standard Agency, UK, 1993) also contain appreciable quantities of furocoumarins and have been noted to trigger dermatologic reactions when accompanied by sun exposure (Gross et al, 1987; Wagner et al, 2002).

Antioxidative evaluation of the ethanolic extract has shown appreciable quantities of phenolic and flavonoid content along with vitamins C and E. It also contained selenium and zinc.

The term quartzite implies not only a high degree of hardening (induration), or "welding," but also a high content of quartz; similar rocks that contain appreciable quantities of other minerals and rock particles are impure quartzites, more appropriately called graywacke, lithic arenite, sandstone, or the like.

Appreciable quantities of all benzocarbazole isomers and enhanced contributions from the benzo[b]carbazole were identified in hydropyrolysates from KCF during this study.

Other sources of sulfur include the ore iron pyrite, an iron-sulfur compound that can be burned to produce sulfur dioxide, and some natural gases, called sour gas, that contain appreciable quantities of hydrogen sulfide.

The measurements revealed that the chamber air contained appreciable quantities of eight separate 2-ring and 4-ring PAHs in both the gas and particulate phases.