burette brush

简明释义

滴定管刷

英英释义

例句

1.After using the burette, make sure to clean it thoroughly with a burette brush (滴定管刷) to avoid contamination.

使用完滴定管后，确保用burette brush (滴定管刷) 彻底清洁，以避免污染。

2.It's important to use a burette brush (滴定管刷) that fits the size of your burette for effective cleaning.

使用适合你滴定管大小的burette brush (滴定管刷) 进行有效清洁是很重要的。

3.The lab technician grabbed a burette brush (滴定管刷) to remove any residue from the inside of the burette.

实验室技术员拿起一把burette brush (滴定管刷) 来清除滴定管内部的任何残留物。

4.When preparing for an experiment, don’t forget to check if you have a clean burette brush (滴定管刷) on hand.

在准备实验时，不要忘记检查是否有干净的burette brush (滴定管刷) 可用。

5.A burette brush (滴定管刷) is essential for maintaining the accuracy of your titrations.

一把burette brush (滴定管刷) 对于保持滴定的准确性至关重要。

作文

In a chemistry laboratory, precision and cleanliness are paramount for accurate results. Among the various tools and equipment used, one essential item is the burette brush. A burette brush is specifically designed to clean burettes, which are long, graduated glass tubes used to dispense precise volumes of liquid during titrations and other experiments. The importance of maintaining clean laboratory equipment cannot be overstated, as even the slightest residue can lead to erroneous results. The design of a burette brush is quite unique. It typically features a long handle that allows the user to reach into the narrow confines of a burette without difficulty. The bristles at the end of the brush are soft yet firm enough to effectively remove any contaminants or residues that may cling to the glass surface. This ensures that subsequent experiments can be conducted without the risk of cross-contamination. Using a burette brush is a straightforward process. First, one should rinse the burette with distilled water to remove any large particles. After this initial rinse, the burette brush is inserted into the burette. Gentle scrubbing in a circular motion helps dislodge any stubborn residues. It is crucial to pay attention to the tip of the burette, as this area often retains liquid after usage. Once cleaning is complete, the burette should be rinsed again with distilled water to ensure that no soap or cleaning agents remain. Proper maintenance of a burette brush itself is also important. After each use, it should be thoroughly rinsed to remove any chemicals that may have been transferred from the burette. Storing the brush in a clean, dry place will help prolong its lifespan and effectiveness. Regular checks for wear and tear on the bristles will determine if a replacement is necessary. In addition to its practical uses, the burette brush serves as a reminder of the importance of hygiene in scientific practices. Inaccurate measurements due to unclean equipment can lead to flawed experiments, wasted materials, and potentially hazardous situations. Therefore, using tools like the burette brush is not just about maintaining equipment; it is about upholding the integrity of scientific research. In conclusion, the burette brush is an indispensable tool in the chemistry laboratory. Its design and functionality contribute significantly to the cleanliness of burettes, ultimately ensuring accurate experimental results. By understanding the role of the burette brush in laboratory practices, students and professionals alike can appreciate the meticulous nature of scientific work. Cleanliness, precision, and attention to detail are what make scientific endeavors successful, and the burette brush plays a vital role in achieving these goals.

在化学实验室中，精确性和清洁性对于获得准确的结果至关重要。在使用的各种工具和设备中，有一项必不可少的物品就是burette brush。burette brush专门用于清洁滴定管，这是一种用于在滴定和其他实验中精确分配液体的长型刻度玻璃管。保持实验室设备的清洁的重要性不容小觑，因为即使是微小的残留物也可能导致错误的结果。burette brush的设计非常独特。它通常具有一个长柄，使用户能够轻松到达滴定管的狭窄内部。刷子的末端有柔软但坚韧的刷毛，能够有效去除附着在玻璃表面上的任何污染物或残留物。这确保了后续实验可以在没有交叉污染风险的情况下进行。使用burette brush的过程相对简单。首先，应使用蒸馏水冲洗滴定管，以去除任何较大的颗粒。在初步冲洗后，将burette brush插入滴定管。以圆周运动轻轻擦洗有助于去除任何顽固的残留物。特别注意滴定管的尖端，因为该区域通常在使用后会残留液体。清洗完成后，应再次用蒸馏水冲洗滴定管，以确保没有肥皂或清洁剂残留。burette brush本身的正确维护也很重要。每次使用后，都应彻底冲洗，以去除可能从滴定管转移过来的任何化学物质。将刷子存放在干净、干燥的地方将有助于延长其使用寿命和有效性。定期检查刷毛的磨损程度将决定是否需要更换。除了实际用途外，burette brush还提醒我们科学实践中卫生的重要性。由于设备不洁而导致的测量不准确可能会导致实验失败、材料浪费以及潜在的危险情况。因此，使用像burette brush这样的工具不仅仅是为了维护设备；这也是为了维护科学研究的完整性。总之，burette brush是化学实验室中不可或缺的工具。它的设计和功能显著有助于滴定管的清洁，从而确保实验结果的准确性。通过理解burette brush在实验室实践中的作用，学生和专业人士都能欣赏到科学工作中细致入微的性质。清洁、精确和关注细节是使科学事业成功的关键，而burette brush在实现这些目标中发挥着重要作用。