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实验室内常见器皿的清洗方法!

来源:http://www.sdrunjing.com/ 日期:2019-09-29 发布人:润静小编
  1. 常见的洗涤剂
  1. Common detergents
  (1)一般洗涤剂:洗涤剂、洗衣粉、肥皂水、洗涤剂等。
  (1) General detergents: detergents, laundry powder, soapy water, detergents, etc.
  (2)碱性洗涤剂:碳酸钠(苏打灰、苏打)、碳酸氢钠(小苏打)、氢氧化钠(氢氧化钾)溶液等。
  (2) Alkaline detergents: sodium carbonate (soda ash, soda), sodium bicarbonate (baking soda), sodium hydroxide (potassium hydroxide) solution, etc.
  (3)强酸氧化剂清洗液:称铬酸钾清洗液,用于清洗油脂和有机物,使用时防止水稀释,使用后倒回原瓶,可反复使用,直至溶液变绿。
  (3) Strong acid oxidizer cleaning liquid: called potassium chromate cleaning liquid, used to clean grease and organic matter, when used to prevent water dilution, after use back to the original bottle, can be used repeatedly until the solution turns green.
  (4)有机溶剂:甲苯、二甲苯、内酯、醚、三氯甲烷等。
  (4) Organic solvents: toluene, xylene, lactone, ether, trichloromethane, etc.
  2. 清洗玻璃器皿
  2. Cleaning glassware
  (1)清洗。新买的玻璃器皿或使用玻璃器皿,应该先用自来水洗掉大部分的污水,然后用洗涤剂清洗,擦拭(根据选择适当的洗涤污垢物种),或两色钾溶液浸泡,然后用自来水反复冲洗几次,去离子水浸出三次。清洁玻璃器皿应清洁、透明,内壁可被水浸湿而不挂水珠。使用下班用具应立即清洗,用刻度玻璃器皿不能用硬刷和清洁粉擦洗内壁。如果容器已经很长时间没有使用了,在使用前必须再次清洗。
  (1) Cleaning. Newly purchased or used glassware should first wash most of the sewage with tap water, then wash with detergent, wipe (according to the choice of appropriate cleaning dirt species), or soak in two-color potassium solution, then rinse repeatedly with tap water several times, and soak in deionized water three times. Clean glassware should be clean and transparent. The inner wall can be soaked by water without droplets. Use off-duty utensils should be cleaned immediately. Use calibrated glassware can not be scrubbed with hard brush and cleaning powder. If the container has not been used for a long time, it must be cleaned again before use.
山东实验台工程
  (2)干燥。一般玻璃器皿,洗涤后,放在干燥架上晾干。如需快速干燥,可在105℃烘箱中烘干。刻度玻璃器皿不能用烘箱烘干,可用无水乙醇烘干。
  (2) Drying. General glassware, after washing, put on the drying rack to dry. If rapid drying is required, it can be dried in an oven at 105 C. Calibration glassware can not be dried in oven, but in absolute ethanol.
  (3)存储。清洁干燥的玻璃器皿应存放在清洁的玻璃器皿柜内;容量瓶应密封存放;滴定管倒置放置在滴定架上;将吸管放在吸管架上或有盖的托盘中。
  (3) Storage. Clean and dry glassware should be stored in a clean glassware cabinet; volumetric bottles should be sealed; burette tubes should be placed upside down on the burette rack; pipette should be placed on the pipette rack or in a covered tray.
  3.玛瑙容器的清洗。玛瑙容器可用稀盐酸、小苏打、洗衣粉擦拭,然后用自来水冲洗,最后用去离子水冲洗三次。可自然干燥或80℃干燥。
  3. Cleaning of agate containers. Agate containers can be wiped with dilute hydrochloric acid, baking soda and laundry detergent, then rinsed with tap water, and finally rinsed with deionized water for three times. It can be dried naturally or at 80 C.
  4. 银和镍餐具的清洗。一般可以用小苏打、洗衣粉擦拭内壁,也可以用稀盐酸浸泡一小段时间后,用清水冲洗。
  4. Cleaning of silver and nickel tableware. Usually you can use baking soda, laundry detergent to wipe the inner wall, or soak in dilute hydrochloric acid for a short period of time, rinse with water.
  5、塑料、陶瓷清洗。玻璃洗涤,一般新型塑料器皿用稀盐酸或稀硝酸浸泡洗涤。
  5. Cleaning of plastics and ceramics. Glass washing, general new plastic utensils with dilute hydrochloric acid or dilute nitric acid immersion washing.

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