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nature : (a) desiccator; Exsiccator laboratory to remove the wet material and the preservation of water drying material from the wet glass apparatus. Thick plate, a thick cover. Grinding mouth Department or smear Vaseline petroleum jelly and beeswax (1:1, heating mixing) of the mixture to remain sealed. Dish separated in a hole porcelain plate, the general added on top of the material was dry, place the appropriate amount of desiccant, such as anhydrous calcium chloride, silica, concentrated sulfuric acid. In addition, there is a vacuum dryer equipped with a valve to control exhaust, and drying time could be shortened. (2) dryer; Drier is drying equipment, such as vacuum drum dryer and double cone rotary vacuum dryer, etc..
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