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中学生物学教学需要一定数量的生物标本缸,为满足学校的教学需求,我们利用螺口盖罐头瓶自制简易生物标本缸,效果很好。既节约经费,又能使采集到的标本及时固定和保存,而且密封好,药液不外流,不挥发,便于运输和搬动。具体制作方法如下: 一、主要用具和材料 各种规格的螺口盖罐头瓶、标签、剪刀、胶水、玻璃统、酒精、4％和5％的福尔马林溶液。 二、制作方法 1.将去掉外缘标签的螺口盖罐头瓶和瓶盖用洗涤剂洗净,再用自来水冲洗后备用。 2.将待固定或保存的生物标本放入规格合适的螺口盖罐头瓶中,再将一定体积的药液小心注入瓶口,拧好盖,在瓶外缘贴上标签。 3.为防止固定液或保存液对瓶盖的腐蚀,可以视情况在瓶盖内侧衬以大小适当的双层玻璃纸垫,防止药液与瓶盖直接接触。
High school biology teaching requires a certain number of biological specimen jars. In order to meet the teaching needs of the school, we use self-made simple biological specimen jars with screw caps and cans. The results are very good. It not only saves money, but also enables the collected specimens to be fixed and stored in a timely manner. It is also sealed, the liquid medicine does not flow out, it is not volatile, and it is easy to transport and move. Specific production methods are as follows: First, the main equipment and materials Screw cans of various specifications cans, labels, scissors, glue, glass, alcohol, 4% and 5% of formalin solution. Second, the production method 1 will be removed from the outer edge of the screw cap cans and caps with detergent to wash, then rinse with tap water back. 2. Place the biological specimen to be fixed or preserved in a suitable screw cap bottle, carefully inject a certain volume of liquid into the bottle mouth, screw the cover, and label the outer edge of the bottle. 3. In order to prevent the fixing solution or the preservation solution from corroding the bottle cap, the inner surface of the cap may be lined with a double sized cellophane pad with an appropriate size to prevent direct contact of the solution with the cap.