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- Use parafilm to secure the tip of the buret. 要用石腊膜保护滴定管的塑胶头。
- A buret is used to titrate liquids. 滴定管用于液体滴定。
- Whenever he gave her a bear hug , she buret into tears. 每当他抱她时;她总是激动得流泪.
- The pressure over the sample can then be increased via a gas burette. 借助量气管可增加样品上的压力。
- After rinsing out the buret, fill it with the NaOH solution. 在滴定管淋洗完毕后,用NaOH溶液注满。
- The buret is filled with a specified volume of a liquid. 首先在滴定管中加入一定体积的液体。
- Open the burette cock and allow the water to return to the level bottle. 打开滴管龙头,使水流到水平瓶。
- A slowly drained buret will also provide greater reproducibility of results. 慢慢让液体排出也可以使结果的重现性更好。
- Note: The burette is very fragile and may break if it comes in contact with an object while shaking the instrument. 注意:滴管非常容易碎,如果仪器摇动时碰到其他物体可能碰碎它。
- Open the Whitey valve (5056) and allow gas to flow into the burette, reducing the gauge pressure to 5 psi or less. 打开白色阀门(5056) 允许气体流进滴管,减少压力表到5 psi或者更少。
- The a lkaline burette was good, and I could controlled the ending as I wished. the result can satify me, too. 随便买了本4级英语的词汇,实在太多了,没有心情看,反正都差不多,都是那么难看。
- To determine potassium iodate in edible salt, the specification of home-made capillary burette is 0. 用该法测定食盐中的碘酸钾,当毛细滴管规格为0。
- Tilt the buret to allow the entire inner surface of the buret come into contact with the liquid. 使滴定管倾斜,让滴定管的整个内表面都能与溶液相接触。
- The tendency of liquids to stick to the walls of the buret can be diminished by draining the buret gradually. 让滴定管中的液体慢慢流出可以减少液体黏在管壁的情况。
- Warning: Be sure no drops are left on the tip of the buret when you are reading the pH. 警告:必须确保在读取pH值的读数时没有液滴留在滴定管的壁上。
- Using a calibrated burette to add the titrant, it is possible to determine the exact amount that has been consumed when the endpoint is reached. 用经过校正的滴定管加入滴定液,就有可能测定到达终点时滴定液的确切消耗量。
- The plastic tip helps in the formation of small droplets of solution to drop from the buret. 塑胶头会帮助滴定管滴出细小液滴。
- Estimate what you think the uncertainty is in weighing, using the buret, and in endpoint location. 估计一下在秤量,使用滴定管和确定终定位置的不确定度。
- The capillary burette micro titration in counting drops is employed to determine iodine ions in the mixed halide solution. 采用毛细滴管数滴微型滴定法测定混合卤化物中的碘离子。
- Make all buret readings by estimating the nearest 0.01 mL, allowing time for drainage. 所有滴定管的读数要估读至0.;01mL。让滴定管中液体流一段时间。