Fine dust is generated by industrial exhaust gases but in particular due to traffic. Environmental pollution is therefore caused particularly by exhaust gases of diesel-engined vehicles (diesel soot) but on the other hand also by abrasion of street, tyres and brakes and its resuspensions.
By Palas GmbH based in Karlsruhe, GERMANY.
The principle cause of regional and urban haze, or visibility impairment, is light extinction caused by fine particles, sulfates, organic and elemental carbon, nitrates and crustal matter. Particles between 0.1 and one micrometers in size are most effective at scattering light, in addition to being of greatest concern for human health.
By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.
The environmental challenges require internationally accepted standards, in which limits and test methods are defined. Metrohm instruments and applications comply with a lot of international environmental standards. Substances introduced into the environment are distributed among the environmental compartments water, soil (sediment), and air, as well as among the organisms living in them (biosphere). Only if we know the type and quantity of these contaminants can we protect the environment and its inhabitants.
By Metrohm AG based in Herisau, SWITZERLAND.
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