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二次稀释法主要用于稀释(配制)那些用药量极少的农药品种,这些农药品种每亩用量甚至低到了1克左右,只有通过二次稀释(配制)才能将药剂配匀,便于使用。具体做法是,先配制母液。事先准备好装有少量水的容器,如罐头、小碗、方便茶杯等,将药剂倒入其中,对悬浮剂等粘性较重的药剂要将粘附在小包装上的药剂清洗下来.轻轻搅动使容器中药剂充分分散溶解,直至完全分散溶解即为母液配制完成。
The secondary dilution method is mainly used for dilution (preparation) of those pesticides with very little dosage, the amount of these pesticides per acre or even down to about 1 g, only through the second dilution (preparation) in order to match the pharmaceutical, easy to use. The specific approach is to prepare the mother liquor. Prepare a container containing a small amount of water, such as canned food, small bowls, tea cups, etc., and pour the medicine into it. For agents that have a high viscosity, such as suspending agents, wash the medicine that has adhered to the small package gently. Stir to fully disperse and dissolve the medicament in the container until complete dispersion and dissolution, that is, preparation of the mother liquor is completed.