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火试法,就是用火灼烧,产生特殊的气味、颜色、烟雾、响声等现象。一些中药用火试法可以鉴别其真伪,其操作简单方便。 1.降香:火烧时,冒黑烟,渗出油,残留的灰烬为白色。 2.沉香:火烧时,冒浓烟,有强烈的浓郁香气,并有黑色油状物渗出。 3.海金沙:易着火,燃烧时发出爆鸣声,并有闪光,不留灰渣。 4.青黛:取粉末置纸上微火灼烧,即产生紫红色烟雾。 5.琥珀:火燃易熔,稍有冒黑烟,刚熄灭时冒白烟,并微有松香气。煤珀火燃之冒黑烟,刚熄灭时冒白烟,并有似煤油之臭气。
The fire test method is to use fire to burn and produce special smells, colors, smoke, sounds and other phenomena. Some Chinese medicine fire test methods can be used to identify its authenticity, and its operation is simple and convenient. 1. Fragrance: When the fire burns, black smoke oozes out of the oil and the remaining ash is white. 2. Incense: When it is burning, it takes thick smoke, has a strong aroma, and has black oily substances. 3. Haijinsha: It is easy to catch fire. When it burns, it makes a crackling sound and there is flash, leaving no ash. 4. Barley: Take the powder and set it on a simmered fire to produce purple-red smoke. 5. Amber: It is flammable and easily ignited. It takes a little black smoke. It just emits white smoke when it is extinguished, and it has a slight rosin gas. Columbine fires and emits black smoke. When it is extinguished, it emits white smoke and has an odor similar to kerosene.