通过采用综合分析，将可疑成分提取、分离、 柱色谱纯化，结合NMR、 ICP_AES和元素分析，确证了汤样中的致毒物质是沙蚕毒素类农药“ 杀虫环”。
The components were comprehensively assayed by 1H NMR, ICP _ AES and elemental analysis. They proved to be a pesticide of thiocyclam and its by _ product.
通过采用综合分析，将可疑成分提取、分离、 柱色谱纯化，结合NMR、 ICP_AES和元素分析，确证了汤样中的致毒物质是沙蚕毒素类农药“ 杀虫环”。
The components were comprehensively assayed by 1H NMR, ICP _ AES and elemental analysis. They proved to be a pesticide of thiocyclam and its by _ product.
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