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2003•Chinese Journal of Spectroscopy LaboratoryRequires access

Spectrophotometric Determination of Micro Amounts of Palladium with o-NBR

Cui Yong

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Abstract

o-nitrobenzylidene) rhodanine(o-NBR) forms a 2∶1 yellow complex with palladium(Ⅱ)in pH 7.0 NH 4Ac buffer solution including Triton X-100.The maximum absorption wavelength of complex is at 420nm.The molar absorptivity is 5.32×10 4L·mol -1·cm -1.Beer's law is obeyed in 0—15μg/25mL for palladium(Ⅱ),and can be used to determine micro amounts of palladium in palladium catalysts.

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o-nitrobenzylidene) rhodanine(o-NBR) forms a 2∶1 yellow complex with palladium(Ⅱ)in pH 7.0 NH 4Ac buffer solution including Triton X-100.The maximum absorption wavelength of complex is at 420nm.The molar absorptivity is 5.32×10 4L·mol -1·cm -1.Beer's law is obeyed in 0—15μg/25mL for palladium(Ⅱ),and can be used to determine micro amounts of palladium in palladium catalysts.

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Available abstract

o-nitrobenzylidene) rhodanine(o-NBR) forms a 2∶1 yellow complex with palladium(Ⅱ)in pH 7.0 NH 4Ac buffer solution including Triton X-100.The maximum absorption wavelength of complex is at 420nm.The molar absorptivity is 5.32×10 4L·mol -1·cm -1.Beer's law is obeyed in 0—15μg/25mL for palladium(Ⅱ),and can be used to determine micro amounts of palladium in palladium catalysts.

Key concepts: Palladium, Molar absorptivity, Rhodanine, Absorption (acoustics), Chemistry, Spectrophotometry, Molar ratio, Buffer solution

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