"Concentration of potassium {K CAS 7440-09-7} per unit volume of the atmosphere [aerosol >1um phase] by filtration and ion chromatography"@en . "SDN:P01::ACKARXX2" . . . "SDN:P01::ACKARXX2" . . "accepted"@en . . . "Unavailable"@en . . . "2015-07-23 15:16:18.0" . . "2015-07-23 15:16:18.0" . "K_aerosol>1um" . "2" . . . . "false" . "2" . . "SDN:P01::ACKARXX2" .