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2005•Journal of Yunnan University for NationalitesRequires access

Spectrophotometric Determination Aluminum in Compounds of Silico-Aluminum-Phosphate

Jincheng Wang

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Abstract

Silico-Aluminum-Phosphate(SiAlPO_4-n) can be prepared by solid-state method in existed different template with Aluminum chloride and ammonium dihydrogen phosphate and sodium silicate.The color reaction of Aluminum with chromeazurolS(CAS) in the presence of emulsifying agent of polyethylene glycol phenylether(OP) and polyvinylacohol(PVA) was studied.In a buffer solution of HAc-NaAc of pH5.3,the maximum absorption wave of the title system appears at 612nm.The method has been successfully applied to the determination of Aluminum in Silico-Aluminum-Phosphate compounds.The good results were obtained.This system has high stability and good accuracy.

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What this paper is about

Silico-Aluminum-Phosphate(SiAlPO_4-n) can be prepared by solid-state method in existed different template with Aluminum chloride and ammonium dihydrogen phosphate and sodium silicate.The color reaction of Aluminum with chromeazurolS(CAS) in the presence of emulsifying agent of polyethylene glycol phenylether(OP) and polyvinylacohol(PVA) was studied.In a buffer solution of HAc-NaAc of pH5.3,the maximum absorption wave of the title system appears at 612nm.The method has been successfully applied to the determination of Aluminum in Silico-Aluminum-Phosphate compounds.The good results were obtained.This system has high stability and good accuracy.

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Available abstract

Silico-Aluminum-Phosphate(SiAlPO_4-n) can be prepared by solid-state method in existed different template with Aluminum chloride and ammonium dihydrogen phosphate and sodium silicate.The color reaction of Aluminum with chromeazurolS(CAS) in the presence of emulsifying agent of polyethylene glycol phenylether(OP) and polyvinylacohol(PVA) was studied.In a buffer solution of HAc-NaAc of pH5.3,the maximum absorption wave of the title system appears at 612nm.The method has been successfully applied to the determination of Aluminum in Silico-Aluminum-Phosphate compounds.The good results were obtained.This system has high stability and good accuracy.

Key concepts: Ammonium dihydrogen phosphate, Polyethylene glycol, Phosphate, Aluminium, Chemistry, Absorption (acoustics), Ammonium chloride, In silico

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