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Analytical sensitivity of arsenobetaine on atomic spectrometric analysis and the purity of synthetic arsenobetaine†

  1. T. Narukawa*,
  2. T. Kuroiwa,
  3. T. Yarita,
  4. K. Chiba

Article first published online: 15 JUN 2006

DOI: 10.1002/aoc.1091

Issue

Applied Organometallic Chemistry

Applied Organometallic Chemistry

Special Issue: Special issue including information from the 12th Symposium of the Japanese Arsenic Scientists' Society (JASS) held 5–6 November 2005 in Takizawa, Iwate Prefecture, Japan

Volume 20, Issue 9, pages 565–572, September 2006

Additional Information

How to Cite

Narukawa, T., Kuroiwa, T., Yarita, T. and Chiba, K. (2006), Analytical sensitivity of arsenobetaine on atomic spectrometric analysis and the purity of synthetic arsenobetaine. Appl. Organometal. Chem., 20: 565–572. doi: 10.1002/aoc.1091

Author Information

  1. Inorganic Analytical Chemistry Division, National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 3, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8563, Japan

*Inorganic Analytical Chemistry Division, National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 3, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8563, Japan.

  1. †

    This paper is based on work presented at the 12th Symposium of the Japanese Arsenic Scientists' Society (JASS) held 5-6 November 2005 in Takizawa, Iwate Prefecture, Japan.

Publication History

  1. Issue published online: 17 AUG 2006
  2. Article first published online: 15 JUN 2006
  3. Manuscript Accepted: 21 APR 2006
  4. Manuscript Received: 20 JAN 2006

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Keywords:

  • organoarsenic compounds;
  • arsenobetaine;
  • purity;
  • atomic spectrometric analysis;
  • determination sensitivities of arsenic compounds;
  • speciation;
  • SI traceability

Abstract

Arsenobetaine is one of the main organoarsenic compounds that exist in living organisms. Determination errors in total arsenic analyses for organoarsenic compounds occur because analytical sensitivities depend upon the chemical forms of the compounds. However, information on the analytical sensitivity of arsenobetaine by ICP-MS and ICP-AES and the purity of commercially available arsenobetaine standards is lacking. BCR CRM 626 (arsenobetaine solution) is a certified reference material from IRMM with a certified concentration of arsenobetaine. The sensitivity and behavior of arsenobetaine on ICP-MS and ICP-AES were investigated using the BCR arsenobetaine. The analytical sensitivity and behavior of arsenobetaine using ICP-MS and ICP-AES were also investigated using a commercially available synthetic arsenobetaine, and were compared with results for BCR-AB based on a Japan calibration service system (JCSS) arsenic standard solution. In the results, arsenic determined directly in arsenobetaine showed about 15% greater sensitivity in analysis by ICP-MS and ICP-AES than did inorganic (JCSS) arsenic. Copyright © 2006 John Wiley & Sons, Ltd.

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