1 各种植物花卉指示剂的制法 各种花卉指示剂的制法都相同。首先将采集的花卉用清水冲洗干净,然后剪取花瓣,用研钵研碎,再用95％的酒精浸泡10分钟左右,加入适量蒸馏水稀释,过滤的滤液即为指示剂。 各种植物花卉指示剂在配制一周内效果较明显,需要长期保存,应放在瓶中把瓶口封闭。 1 Method for Producing Various Plant Flower Indicators The methods for producing various flower indicators are the same. First, the collected flowers were rinsed with water, and then petal was cut off, ground with a mortar, and then soaked in 95% alcohol for about 10 minutes. Diluted with an appropriate amount of distilled water, the filtered filtrate was the indicator. All kinds of plant flower indicators have obvious effects within a week of preparation and need to be preserved for a long time. They should be placed in the bottle to seal the bottle mouth.