[en] The impurity contents of different levels have been measured in red phosphorus samples using PIXE analysis with 2 MeV proton beam. Detection limits for Sr, Mo, Ag, Sn are about 1x10-4 mas %. The error of impurity element determination is 20%
Original Title
Opredelenie primesej v krasnom fosfore protonnym vozbuzhdeniem kharakteristicheskogo rentgenovskogo izlucheniya; impurities: K, Ca, Ti, Mn, Fe, Cu, Zn, Ga, Rb, Sr, Zr, Nb, Sn, As, Cr, Ni