按课本介绍的方法,效果一般不理想。我们认为这是因炭块、粒状木炭的管道多为油脂等杂物堵塞,难以表现出吸附性。我们将块炭研成很细的炭扮,然后撒入有红墨水的水中,振荡至变 According to the textbook introduction method, the effect is generally not ideal. We believe this is due to the fact that the blocks of charcoal and granular charcoal are mostly blocked by impurities such as oils and fats, making it difficult to exhibit adsorption. We will study the charcoal of charcoal and put it into water with red ink and shake it until it changes.