EXHIBIT 23.1



  HANSEN, BARNETT & MAXWELL
  A Professional Corporation                   Member of AICPA Division of Firms
 CERTIFIED PUBLIC ACCOUNTANTS                          Member of SECPS
  5 Triad Center, Suite 750
 Salt Lake City, UT 84180-1128
     Phone: (801) 532-2200                         An independent member of
      Fax: (801) 532-7944                                BAKER TILLY
        www.hbmcpas.com                                 INTERNATIONAL






               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS



To the Board of Directors
International Isotopes Inc.

We  hereby  consent  to the  incorporation  by  reference  in this  Registration
Statement  on Form S-8 of our report  dated  January 17,  2003,  relating to the
consolidated   financial   statements  of   International   Isotopes  Inc.  (the
"Company"),  which appear in the Company's  Annual Report on Form 10-KSB for the
year ended  December 31, 2002.  We also consent to the reference to us under the
heading "Experts" in this Registration Statement.


                                          HANSEN, BARNETT & MAXWELL


Salt Lake City, Utah
September 9, 2003