The adsorbance on ultrafine coal powders to phenol and Ni2 + decreased with increase of temperature, and the effect of the temperature on aniline was not important.
超细煤粉对苯酚、镍离子的吸附量随温度升高而降低,而对苯胺的吸附量与温度关系不大。
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.