Pipette & burette
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Pipette & burette
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NO.8642B Class B burette with straight PTFE stopcock
Product features:he manufacturing process of the burette body with a PTFE stopcock is exquisite. There are no bubbles, sand grains or other defects, ensuring smooth internal liquid flow and that the accuracy of the scale will not be affected by an uneven surface. The stopcock part is made of high - quality PTFE material, which is resistant to acids and alkalis and has excellent sealing performance. It can effectively prevent the leakage of the titrant. Meanwhile, the stopcock operates flexibly, making it easy to control the outflow rate of the titrant, thus making the titration process more stable and accurate.

tiandi@tiandicn.com  /  lab-glassware@tiandicn.com

+86-515-88631536  /  +86 13912566435

+ 86 19551521639

Tiandilabware

Product features

The manufacturing process of the burette body with a PTFE stopcock is exquisite. There are no bubbles, sand grains or other defects, ensuring smooth internal liquid flow and that the accuracy of the scale will not be affected by an uneven surface.

The stopcock part is made of high - quality PTFE material, which is resistant to acids and alkalis and has excellent sealing performance. It can effectively prevent the leakage of the titrant. Meanwhile, the stopcock operates flexibly, making it easy to control the outflow rate of the titrant, thus making the titration process more stable and accurate.

Moderate accuracy: Although the scale accuracy of Class B burettes is not as high as that of Class A, it can still meet the requirements of many routine experiments. In general chemical experiments and analyses, it can provide relatively accurate volume readings.

For experimental scenarios where the accuracy requirements are not extremely strict, such as teaching experiments, preliminary scientific research explorations, or routine quality inspections in industrial production, the accuracy of Class B burettes is sufficient.

The burette with a PTFE piston has excellent corrosion resistance and exhibits outstanding tolerance to almost all chemical substances. During the titration process, regardless of whether it is a strong acid, a strong base, a strong oxidant, or various organic solvents, the burette with a PTFE piston can remain unharmed. Thanks to its remarkable corrosion resistance, the burette with a PTFE piston can maintain stable performance during long-term use. It will not be corroded, deformed, or damaged due to contact with chemical reagents, ensuring the accuracy and reliability of the measurements.

The scale divisions on the burette body are uniform, which can ensure consistent measurement accuracy within different volume ranges.

The design conforms to the principles of ergonomics, providing a comfortable grip and facilitating operation. Whether it is rotating the piston or reading the scale, it can be easily accomplished, reducing the operational fatigue of the experimenters. The tip part is reasonably designed, enabling precise control of the amount of titrant dispensed, making the titration process more stable and accurate. At the same time, the length and angle of the tip have also been carefully designed to conveniently drop the titrant into the solution to be titrated, avoiding splashing and wasting of the solution.

thickness, showing a transparent luster and high transparency. With exquisite craftsmanship, it is delicate, sturdy, aesthetically pleasing and full of texture. The scale is clear, easy to read, wear-resistant and will not fade. The fine tip ensures a uniform flow rate.

The PTFE piston is flexible, suitable for both acidic and alkaline solutions, and can rotate freely with a good seal that prevents liquid leakage. The design usually takes ergonomic principles into account, making it easy to operate. The shape and size of the handle are suitable for gripping, and the force required to rotate the piston is moderate, which is convenient for experimenters to carry out precise operations. It is also easy to clean and maintain.

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Product details

We can produce different burettes as per customer’s requirements.We can also print your logo on the burettes if the quantity is large,please feel free to contact us online.

Product specifications 

Item NO.Capacity
     (ml)
graduation
     (ml)
Capacity tolerance
     (±ml)
Length
     (mm)
PCS/CTN
8642B-10100.050.0560060
8642B-25250.10.163060
8642B-50500.10.186060
8642B-1001000.20.286060

Product applications

In the teaching experiments of courses such as school chemistry and analytical chemistry, this burette is a commonly used experimental instrument. It helps students understand and master the basic principles, operation methods and skills of titration analysis, and cultivates students' experimental operation ability and data processing ability.

In the fields of chemical analysis, pharmaceutical analysis, environmental monitoring, etc., when conducting quantitative determination of specific components in samples, this burette can be used to accurately measure the volume of the titrant, so as to determine the content of the target substance in the sample. For example, in pharmaceutical research and development, it is used to determine the content of active ingredients in drugs, and in environmental monitoring, it is used to determine the concentration of pollutants, etc.

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