Study on Differential Rate Kinetics Analysis Based on the Substitution Reaction of Rare Earth-PHA with CyDTA

The kinetic behaviours of the substitution reaction of rare earth-PHA with CyDTA were studied systemati-cally.The relationship between the rate constant and atomic number was discussed.The rate differentiation val-ue Rd(Rd=lgkz+n-lgkz)was proposed to evaluate the possibility of differential kinetic...

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Veröffentlicht in:	中国稀土学报：英文版 1991 (4), p.300-305
1. Verfasser:	蔡汝秀杨屹林智信曾云鹗王丽莎
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Sprache:	eng
Schlagworte:	acid analysis bisazo chromotropic derivants Differential kinetics PHA Polyhalogenated rate
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creator	蔡汝秀杨屹林智信曾云鹗王丽莎
description	The kinetic behaviours of the substitution reaction of rare earth-PHA with CyDTA were studied systemati-cally.The relationship between the rate constant and atomic number was discussed.The rate differentiation val-ue Rd(Rd=lgkz+n-lgkz)was proposed to evaluate the possibility of differential kinetic analysis.The Rd valuebetween the neighbouring lanthanide ions first increases and then decreases along with increasing atomic number,so that the middle and heavy rare earth mixture（such as Sm-Gd and Gd-Y）are ideal systems for thedifferential rate kinetic analysis.
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language	eng
recordid	cdi_chongqing_primary_1005319288
source	Alma/SFX Local Collection
subjects	acid analysis bisazo chromotropic derivants Differential kinetics PHA Polyhalogenated rate
title	Study on Differential Rate Kinetics Analysis Based on the Substitution Reaction of Rare Earth-PHA with CyDTA
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