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分析各种天然和工业样品时,在测定前必须富集贵金属。用选择性吸附剂的吸附富集法对此是很有效的,因此被广泛用于实际工作中。近年来在富集贵金属方面广泛使用着含有(?)酰胺基的纤维吸附剂—T和基于苯乙烯与二乙烯基苯共聚物的吸附剂(含甲替吡唑基)。
When analyzing a variety of natural and industrial samples, you must enrich the precious metal before the assay. Adsorption enrichment with selective adsorbents is effective for this purpose and is therefore widely used in practical work. In recent years, there has been extensive use of (?) Amide-based fiber adsorbents-T and adsorbents based on styrene and divinylbenzene copolymers (including methothiazole) for the enrichment of precious metals.