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Continuous Determination of Copper, Lead and Zinc in Ore Samples by Atomic Absorption Spectrophotometry with Polyethylene Glycol as a Rapid Clarifier[J]. Rock and Mineral Analysis, 2007, 26(2): 167-168.
Citation: Continuous Determination of Copper, Lead and Zinc in Ore Samples by Atomic Absorption Spectrophotometry with Polyethylene Glycol as a Rapid Clarifier[J]. Rock and Mineral Analysis, 2007, 26(2): 167-168.
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Continuous Determination of Copper, Lead and Zinc in Ore Samples by Atomic Absorption Spectrophotometry with Polyethylene Glycol as a Rapid Clarifier

  • Nuclear Industry Xinjiang Testing Center for Physical and Chemical Analysis, Urumqi 830011, China

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  • Received Date: May 20, 2006
  • Revised Date: August 05, 2006
    Abstract
  • Based on the characteristics of water solubility and high polymerization of polyethylene glycol, a method for the continuous determination of copper, lead and zinc in ore samples by atomic absorption spectrophotometry after rapid clarification of the testing solution has been developed. The samples are completely dissolved with HCl-HNO3-HClO4. In the presence of 3 mL of polyethylene glycol, the testing solution is rapidly clarified within 2.5 h. The recoveries of the method for the elements are 86.3％~106.0% with precision of less than 5%RSD (n=5). The method has been applied to the determination of copper, lead and zinc in National Standard Reference rock samples and the results are in agreement with certified values.
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