[Not Available].
The sample (< 1 mg) is burnt in an oxygen flask for the determination of rhenium. It is destroyed by a wet process in a Kjeldahl flask for the determination of rhodium or tellurium (sample <4-5 mg) or zirconium (sample <1.5 mg). These elements are determined spectrophotometrically. The following reactions are used: reduction of perrhenate by tin(II) chloride in the presence of 2,2'-furildioxime or thiourea, complexation of rhodium(III) by sodium hypochlorite, formation of iodotellurite, complexation of zirconium(IV) with Xylenol Orange.
Debal
E
E
Service Central de Microanalyse du Centre National de la Recherche Scientifique, 2 rue Henry Dunant, 94320 Thiais, France.
Peynot
S
S
Poliakoff
O
O
Revault
M
M