ABSTRACT
M e t z g e r a n d B r a u n [1] p reconcen t ra t ed an t imona te (pen tava len t an t imony) b y conve r s ion to its chelate w i t h n -benzoy l -n -pheny lhyd roxy - amine a n d ext ract ion in to ch lo ro fo rm. Tr ivalent a n t i m o n y w a s conver ted to its chelate w i t h a m m o n i u m py r ro l i d ined i th ioca rbamic a c i d a n d extracted in to m e t h y l i s o b u t y l ketone. A n t i m o n y w a s d e t e r m i n e d i n extracts of r a in , s n o w a n d n o n sal ine wate r b y anod ic s t r i p p i n g vo l t ammet ry .
