"Concentration of L-aspartic acid (water insoluble and hydrolysable) {CAS 56-84-8} per unit volume of the atmosphere [aerosol >GF/F phase] by filtration, water leaching, acid hydrolysis of the residue and high performance liquid chromatography (HPLC)"@en . . "SDN:P01::CONASPL3" . "Unavailable"@en . .