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The structural composition of PM2.5 monitored in the atmosphere is usually divided by the analysis of organic carbon, black (elemental) carbon, and inorganic salts. The characterization of the chemical composition of aerosols represents a significant
A bromine gas generator, based on bleach, potassium bromide and dilute hydrochloric acid, replaces hazardous pure bromine used in the classical Winkler titration for iodide. This modification eliminates the need to store or use pure bromine. The gas