制备的腐殖酸键合硅胶用于固相萃取时，表现出穿透体积大，单位质量吸附量高，选择性高的特点。
The humic acid bonded silica gel has characteristics of larger penetrating capacity, high adsorbance per unit quality and high selectivity when it is used for solid phase abstraction.
制备的腐殖酸键合硅胶用于固相萃取时，表现出穿透体积大，单位质量吸附量高，选择性高的特点。
The humic acid bonded silica gel has characteristics of larger penetrating capacity, high adsorbance per unit quality and high selectivity when it is used for solid phase abstraction.
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