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胶帽套在药房、食品工业上用来封瓶口,沿用已久。但它极易燃烧,购买和运输均极不方便,使用也较麻烦,贮存时间稍长,套帽时容易破裂。现介绍一种简便易行,比用胶帽套更经济方便的封口配方和使用方法如下。处方:硝化棉 20g乙醚 90ml95%乙醇 60ml蓖麻油 5ml配制与使用方法:取硝化棉20g 于25ml广口瓶中,加乙醚90ml,使硝化棉完全湿润。另将蓖麻油5ml 溶于60ml 95%乙醇中,然后加入湿润的硝化棉中,约一刻钟后即成透明胶体。使用时,将此胶体倒入适宜的培养皿中或小烧杯内,将需套胶帽的塞好瓶塞的瓶口
Plastic cap in the pharmacy, food industry used to seal the mouth, has long been used. However, it is extremely flammable, extremely inconvenient to purchase and transport, it is more troublesome to use, has a longer storage time, and is easily broken when the cap is used. Is now introduced a simple and easy to use plastic cap than the more economical and convenient sealing formula and the use of the following method. Prescription: nitrocellulose 20g ether 90ml95% ethanol 60ml castor oil 5ml Preparation and use: Take nitrocellulose 20g in 25ml jars, add ether 90ml, nitrocellulose moist. Another castor oil 5ml dissolved in 60ml of 95% ethanol, and then add moist nitrocellulose, about a quarter of an hour after the transparent gel. When used, pour the gel into a suitable Petri dish or small beaker, and a stoppered bottle cap