One Of High Level Metals Silicon Briquette

The results show that N 235-silicon briquette have a good enrichment effect on palladium and other precious metals, and can be separated from other base metal ions, and can be separated from other base metal ions. Combined with atomic absorption method, the actual samples were measured, and good results were obtained.

1.Synthesis of pentachlorophenol imprinted amino-functionalized adsorbent materials on silicon briquette surface. In this method, the advantages of molecular imprinting and sol-gel technology were used to synthesize highly selective adsorbent materials. The surface of the silicon ball is activated to produce an active hydroxyl group. Trimethoxyaminopropylsilane containing functional groups forms a complex with pentachlorophenol. The complex and the activated silicon ball were hydrolyzed and condensed together, and the complex was grafted on the surface of the silicon ball, and the template pentachlorophenol was removed by hydrochloric acid extraction, leaving a special hole on the modified silicon ball. The synthesis principle and synthesis process of this method are simple, and there are no harsh conditions. The synthesized material has very high selectivity for pentachlorophenol, and the blot site is fully exposed and the mass transfer speed is fast, which is suitable for the establishment of a new technology of online solid-phase selective pre-enrichment of mobile injection and modern analytical instruments.

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