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  1. No Access

    Article

    Determination of Trace Amounts of Chromium(III) in Water Samples Using Online Flow Injection Catalytic Spectrophotometry

    A new online flow injection spectrophotometric method for the determination of trivalent chromium was developed. This method is based on the property of trivalent chromium to be a catalyst for the oxidation of...

    Z. X. Zhao, X. S. Zhang in Journal of Applied Spectroscopy (2017)

  2. No Access

    Article

    Determination of Trace Nickel in Natural Water by Flow Injection Analysis with Cetrimonium Bromide as Sensitizer

    2-(5-Bromo-2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP) is a highly sensitive chromogenic reagent that can react with most of the transition and alkaline earth metals. The Ni(II)-5-Br-PADAP complex is more ...

    Z. X. Zhao, C. X. Zhang, N. Li, X. S. Zhang in Journal of Applied Spectroscopy (2015)