(NkONCENTRIROWANIE SLEDOW ZLEMENTOW IN(B\ /s - (NkUZXMIN(B, (NnIKOLAJ mIHAJLOWI^s; (NzOLOTOW(B, (N`(B. (Na(B.s; (NaLIMARIN(B, (Ni(B. (Np(B.s; (NiNSTITUT GEOHIMII I ANALITI^ESKOJ HIMII IM(B. (Nw(B.(Ni(B. (NwERNADSKOGO an sssrs ((NmOSKWA (B:s (NnAUKA(B,s, 1988)
Keywords: (NkONCENTRIROWANIE W ANALITI^ESKOJ HIMIIs; (NoRGANI^ESKIE SOEDINENIQs; (NhIMI^ESKIJ ANALIZs