Spectrophotometric Etetermination of Aluminium in Chemical Reagents with DBC- chlorophosphonazo in the Presence of Sodium Dodecyl Sulfonate

YU Hui;GAO Jing-yu

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 2007, Vol. 28 ›› Issue (3) : 343-345. DOI: 10.3969/j.issn.1000-1093.2007.03.020
Experimental Techniques and Analysis

Spectrophotometric Etetermination of Aluminium in Chemical Reagents with DBC- chlorophosphonazo in the Presence of Sodium Dodecyl Sulfonate

  • YU Hui，GAO Jing-yu
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Abstract

In an acetic acid-sodium acetate buffer solution of pH 4.3，aluminium(Ⅲ)reacts with DBC- cnlorophospJionazo (DBC-CPA) in the presence of sodium dodecyl sulfonate(SDS) to form a violet-blue complex. The composition of the complex is Al( DI): (DBC-CPA) = 1:1. The maximum absorption of the complex exhibits that λmax is 622 nm and the molar absorptivity is 1.41 X 1O4 L ? mol-1 ? cm-1. Beer law is obeyed over the range of 0.20 — 1.20 mg· L-1 for aluminium. The method was satisfactori-ly used in the determination of trace amounts of aluminium in sodium hydrogen carbonate and sodium hydroxide.

Key words

analytical chemistry / aluminium ion / spectrophotometry / DBC-chlorophosphonazo

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YU Hui，GAO Jing-yu. Spectrophotometric Etetermination of Aluminium in Chemical Reagents with DBC- chlorophosphonazo in the Presence of Sodium Dodecyl Sulfonate. Acta Armamentarii. 2007, 28(3): 343-345 https://doi.org/10.3969/j.issn.1000-1093.2007.03.020

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