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    YU Haiyan. Comparison of Two Digestion Methods for Urine Iodine Determined by Arsenic Cerium Catalytic Spectrophotometry[J]. Journal of Environmental Hygiene, 2015, 5(1): 71-73. DOI: 10.13421/j.cnki.hjwsxzz.2015.01.018
    Citation: YU Haiyan. Comparison of Two Digestion Methods for Urine Iodine Determined by Arsenic Cerium Catalytic Spectrophotometry[J]. Journal of Environmental Hygiene, 2015, 5(1): 71-73. DOI: 10.13421/j.cnki.hjwsxzz.2015.01.018
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    Comparison of Two Digestion Methods for Urine Iodine Determined by Arsenic Cerium Catalytic Spectrophotometry

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    • Objectives To compare the results of iodine in urine determined by arsenic cerium catalytic spectrophotometry with two different digestion methods.
      Methods Samples were digested with porous digester (graphite heat conduction) or thermostatic oscillator (water bath heat conduction), and the contents of iodine in urine samples were determined by arsenic cerium catalytic spectrophotometry.
      Results The results of 3 standardized iodine solutions digested by two methods met the requirement of permissible error.
      Conclusions Both digestion methods were suitable for the detection of iodine in urine with arsenic cerium catalytic spectrophotometry, but thermostatic oscillator digestion method was more economical and practical.
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