Spectrophotometric Determination of Osmium with Thiourea

Prochlorperazine bismethanesulfonate: Sensitive and selective reagent for the spectrophotometric determination of microgram amounts of osmium. A.Thimm...
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V O L U M E 22, NO. 2, F E B R U A R Y 1 9 5 0 Table I.

Determination of Fluorine and Carbon

11aterial 0-1 luorotoluenea p,p'-Difluorodiphenyl h Benzotrifluoride

317

Theoretical, % Fluoiine Carbon 17. 26 ... 19.97 ... 39.01

C

...

Trifluoroinetli~ltienzoicaciillj

29.98

...

n-Perfluoroheptaned

i 8 33

...

Perfluoronaphthalaned 74.01 25.99 Perfluorornethylnaphthalaned 74.20 25.80 Perfluoro-tert-butylnaphthalaneci 74.60 25.40 Perfluorornethylcvclohe\aned 73 98 21,02 a Eastman Kodak S o . 2967. b E a s t m a n Kodak S o . 3281. Hooker Electrochemical Co. d Material prepared in Socony-1-acuurii Laboratoriez

Found, % '

17.2

19.9 19.