Bismuth (O-120 pg) can be determmed spectrophotometrlcally at 495 nm after Its adsorptwe extraction as 1-naphthylmethyltriphenylphosphomum tetralodoblsmuthate(II1) on mlcrocrystalhne benzophenone and dlssolutlon of the solid phase m dlchloromethane The effects of reagent conditions, diverse Ions an
The spectrophotometric determination of bismuth after extraction of protriptylinium tetraiodobismuthate(III)
โ Scribed by D.Thorburn Burns; M.D. Dunford
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 235 KB
- Volume
- 334
- Category
- Article
- ISSN
- 0003-2670
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Bismuth (0-16Opg) can be determined spectrophotometrically at 486nm after its extraction as hydrogen tetraiodobismuthate(lI1) into propylene carbonate. The effects of reagent conditions, ionic strength and diverse ions are reported. The system has been applied to the determination of bismuth in phar
Chromium(V1) (< 500 pg dichromate) can be determined spectrophotometrically at 365 nm after its extraction as protriptylinium dichromate into acetone-chloroform (l:l, v/v). The effects of acidity, diverse ions and masking studies are reported. The relative standard deviation for determination of 200
The reaction of bismuth with various dithiocarbamates was studied and an extraction spectrophotometric method for its determination using flow-injection sample processing was developed. Bismuth was extracted on-line with a chloroform solution of lead tetramethylenedithiocarbamate (TMDTC) and the ab