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  • 实验室不可不知道的安全措施
    来源:http://www.moptuan.com 浏览: 发布日期:2017-06-19
    (1)使用易燃、易爆、腐蚀和有毒的化学药品及电器设备等时,应严格遵守操作规程。使用电器设备应特别细心,切不可用湿润的手去开启电闸和电器开关。凡是漏电的仪器不要使用,以防触电。电器使用完毕应切断电源。
    (1) the use of inflammable, explosive, corrosive and poisonous chemicals and electrical equipment shall strictly comply with the operating procedures。 The use of electrical equipment should be especially careful, do not use wet hand to open the switch and electrical switch。 Do not use any electric leakage instrument in case of electric shock。 After the appliance is used, power shall be cut off。
    (2)实验室严禁饮食、吸烟,一切化学药品禁止入口。实验完毕应洗手。
    (2) no diet or smoking is allowed in the laboratory. All chemicals are forbidden to enter. Wash your hands after the experiment.
    (3)使用铬酸洗液、浓酸、浓碱等具有强腐蚀性的试剂时,切勿溅在皮肤和衣服上。实验中碰到有浓酸、有毒或有刺激性的气、液体等情况时,应在通风橱内操作。用试管加热液体时,试管口不能对人。不可俯视正加热的容器。
    (3) do not splash on the skin and clothes when using caustic washing liquid, concentrated acid, concentrated alkali and other strong corrosive reagents. In the experiment, there is a strong acid, toxic or irritating gas, liquid and other circumstances, should be operating in the fume hood. When the liquid is heated in a test tube, the mouth of the test tube can not be applied to the person. Do not overlook containers that are heated.
    (4)熟悉消防器材的存放地点和使用方法。遇到意外事故,应立即采取相应措施处理。
    (4) familiar with the storage place and use method of fire fighting equipment. In case of an accident, immediate measures should be taken to deal with it.
    玻璃仪器的洗涤
    Glassware washing
    洗净的玻璃器皿应透明,其内壁应能被水均匀地润湿而不挂水珠。
    Clean glassware should be transparent, and its walls should be evenly wetted with water without hanging beads。
    一般的器皿如烧杯、试剂瓶、锥形瓶等可先用自来水洗,然后用洗衣粉、去污粉等配制的普通洗涤液涮洗,污染严重时可用热的洗涤液或专用洗涤液涮洗,然后用自来水冲洗,后用少量去离子水涮洗内壁 2~3 次。
    The vessels such as beakers, reagent bottle, bottle cone can first use tap water to wash, and then use the ordinary washing liquid washing detergent, decontamination powder preparation, washing liquid or special washing liquid washing pollution available when hot, and then washed with tap water, then with a small amount of deionized water washing wall 2 ~ 3 times.
    滴定管、容量瓶、移液管等,由于其容量精确、形状特殊,不宜用刷子机械地擦其内壁。通常是用专用洗液浸泡内壁,然后依次用自来水和去离子水冲洗。
    Burette, flask, pipette, due to its capacity, precise shape, should not use the brush to wipe the inner wall of machinery. It is usually soaked with a special lotion and then rinsed with tap water and deionized water in turn.
    专用洗涤剂有盐酸溶液、铬酸洗液等。铬酸洗液具有强腐蚀性、强氧化性和强酸性,使用时应特别小心。此外盐酸—乙醇溶液(1∶2) 常用于洗涤被有色溶液或有机试剂染色后的吸收池、比色管、吸量管等。
    The special detergent has hydrochloric acid solution, chromic acid lotion and so on. Chromate bath has strong corrosion, strong oxidation and strong acid, should be used with special care. In addition, hydrochloric acid and ethanol solution (1: 2) commonly used in the washing tank, absorbed by the colored solution or organic reagent staining after colorimetric tube and pipette etc..

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