The ultraviolet spectrophotometric determination of phosphorus as molybdovanadophosphoric acid in an organic solvent
β Scribed by Jakubiec, R. ;Boltz, D. F.
- Publisher
- Springer-Verlag
- Year
- 1969
- Weight
- 226 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0344-838X
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A new ultraviolet spectrophotometric method for hexavalent chromium in water based on the oxidation of chromotropic acid by Cr(VI) in 0.12 mol/liter HCl medium is described. The molar absorptivity is 1.76 1 10 4 litersrmol 01 cm 01 . The detection limit is 0.024 mg ml 01 Cr. This sensitive and very
Tf~ER~C,(;RAVIXI~TRII~. I.S\'I. I59 ZUSA,\IJIENFASSUNG Es wird die Hcrstellung eincs zirkoniumfrcicn Hafniumoxychloritles bcscllridxn. Aus dcm Vcrlauf dcr Thcrmolyse (Kurvcn) dcr Sicclcrschliigc lisst sich tlas lialnium gravimctrisch bcstimmen. Hcrvorgehoben wcrdcn das ncutralc Sclenat, d;ls p-MycIr