Spectrophotometric determination of vanadium in steel and alloys with 2-(5-chloro-2-pyridylazo)-5-dimethylaminophenol
โ Scribed by R.A. Olsina; E.J. Marchevsky; E. Kamachi
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 542 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0026-265X
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## Abstract Complexes of copper(II) with 2โ(5โbromoโ2โpyridylazo)โ5โdiethylaminophenol (5โBrโPADAP) formed in aqueous methanol in a wide range of pH (from acidic to alkaline) as well as copper(I)โ5โBrโPADAP species formed in methanolic solutions were investigated by spectrophotometry and mass spect
A highly sensitive flow-injection method is presented for the rapid and simple determination of iron in various salt samples. 2-(5-Nitro-2-pyridylazo)-5-(N-propyl-N-sulfopropylamino)phenol (Nitro-PAPS) was used as the chromogenic reagent for the spectrophotometric detection at 582 nm, yielding the i
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