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The spectrophotometric determination of manganese(VII) after extraction with the trimethylene-bis(triphenylphosphonium) cation with microcrystalline naphthalene

โœ Scribed by D. Thorburn Burns; D. Chimpalee; N. Chimpalee

Book ID
112342594
Publisher
Springer
Year
1988
Tongue
English
Weight
272 KB
Volume
332
Category
Article
ISSN
1618-2650

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Spectrophotometric determination of niob
Spectrophotometric determination of niobium(V) after extraction in the presence of thiocyanate with the ethylene-bis-(triphenylphosphonium) cation
โœ D. Thorburn Burns; D. Chimpalee ๐Ÿ“‚ Article ๐Ÿ“… 1988 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 312 KB

Niobium(V) (O-20 ,ug) can be determined spectrophotometrically after its extraction as ethylene-bis-(triphenylphosphonium) thiocyanatoniobate (V) into chloroform. The effects of diverse ions and masking studies are reported. The system is applied to the determination of mobmm in a range of steels.