Pipette & burette
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Pipette & burette
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642B Class B burette with straight stopcock
Product features:The Class B glass acid burette with a glass stopcock is a crucial measuring instrument in analytical chemistry. It is made of high-quality borosilicate glass, which ensures excellent chemical stability and thermal stability. The burette features a slender glass tube with a uniform inner diameter, and it is marked with precise scales. The "0" scale is located at the upper end, while the full-scale mark is at the lower end, and the scale values increase gradually from top to bottom. A glass stopcock is connected to the lower end of the glass tube, through which the flow rate and outflow volume of the solution can be precisely controlled.

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

+86-515-88631536  /  +86 13912566435

+ 86 19551521639

Tiandilabware

Product features

The Class B glass acid burette with a glass stopcock is a crucial measuring instrument in analytical chemistry. It is made of high-quality borosilicate glass, which ensures excellent chemical stability and thermal stability. The burette features a slender glass tube with a uniform inner diameter, and it is marked with precise scales. The "0" scale is located at the upper end, while the full-scale mark is at the lower end, and the scale values increase gradually from top to bottom. A glass stopcock is connected to the lower end of the glass tube, through which the flow rate and outflow volume of the solution can be precisely controlled.

This type of burette is mainly used in titration analysis experiments, such as acid-base titration, redox titration, etc. It can hold acidic or oxidizing solutions and is suitable for determining the concentration of unknown solutions or conducting other related quantitative analysis experiments.

The burette has a precision of Class B, which means it has a certain allowable error range and can meet the requirements of most general-precision analysis experiments. It can provide reliable measurement data.

The glass stopcock fits closely with the main body of the burette. After meticulous processing and adjustment, it has outstanding airtightness. During the titration process, this effectively prevents the solution from leaking, ensuring the accuracy of the titration results.

Made of borosilicate glass, this burette has strong resistance to chemical corrosion and thermal shock. Even after long-term use, it can maintain good performance and appearance, making it suitable for various laboratory environments.

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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
1642B-10100.050.0560060
1642B-25250.10.163060
1642B-50500.10.186060
1642B-1001000.20.286060

Product applications

In the chemistry courses of middle schools and universities, it is a commonly used instrument for basic titration experiments, which helps students understand chemical principles such as acid-base neutralization and redox reactions, as well as titration operation methods. For example, students can learn the basic operations and end-point judgment of acid-base titration by titrating sodium hydroxide solution with hydrochloric acid.

In the production process of chemical enterprises, it is used for the quality inspection of raw materials, intermediate products and final products. For instance, in the production of sulfuric acid, an acid burette is used to hold the standard alkali solution to determine the concentration of sulfuric acid, so as to ensure that the product meets the quality standards.

When developing new chemical processes or improving existing ones, titration analysis is carried out to monitor the concentration changes of substances during the reaction process, providing data support for the adjustment of process parameters. For example, during the preparation of catalysts, the content of certain components in the solution is controlled by the titration method to optimize the performance of the catalyst.

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