建立了离子色谱法测定蟹肉中亚硫酸盐（二氧化硫）的检测方法，回收率在73.1%～92.6%和精密度<6.7%，探讨了样品前处理方法及色谱条件；通过比较离子色谱法与国标法，结果表明，两方法之间没有显著性差异，离子色谱法克服了国标法中汞的污染和色素干扰问题。%The method for determination of sulfite in crab by ion chromatography was established,the sample recoveries was in the range of 73.1%to 92.6%and the relative standar deviations(RSD)<6.7%. Investigated the conditions of Pre⁃treatment method and chromatographic;There was no significant difference between the national standard method and the IC method,And the IC method no pollution and no pigment interference problem of mercury.
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