Porcelain crucible
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Porcelain crucible
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Porcelain crucibles with tight closing lid
Product features:Porcelain crucibles with tight closing lid usually refers to a special crucible used to determine the volatile matter of coal. It is mainly used to measure the volatile matter of coal in coal quality analysis and coal composition analysis experiments. By placing a certain mass of coal sample in a volatilization crucible with a lid, isolating it from air and heating it under specific temperature conditions, and measuring the mass percentage of the coal sample that is reduced, the volatile matter content of the coal can be obtained, which provides an important reference for the combustion characteristics, calorific value evaluation and industrial application of coal. It is generally made of ceramic material, which is made of clay with raw materials such as alumina, aluminum borate and silica sand, and fired in a clay kiln.

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

+86-515-88631536  /  +86 13912566435

+ 86 19551521639

Tiandilabware

Product features

(1) It has a certain degree of heat resistance and chemical stability. It can withstand heat of about 1200 degrees and can withstand the high temperature environment required for the determination of volatile matter. It is not easy to deform, break or react chemically with the coal sample at high temperature.

(2) The crucible and the lid are tightly matched, which can effectively isolate the air, ensuring that the coal sample is heated under air-isolated conditions during the experiment, preventing the coal sample from oxidizing and ensuring the accuracy of the measurement results.

(3) Strong chemical stability: It is not easy to react chemically with the coal sample and the substances produced by the decomposition of the coal sample at high temperature, which can ensure its own stability.

(4) Good thermal uniformity: During the high-temperature heating process, the coal sample can be heated evenly, allowing the volatile matter in the coal sample to be fully and evenly released, reducing the error in volatile matter determination caused by uneven local heating.

In addition, the specifications of the volatile crucible are unified, the quality is stable, and it has good repeatability, which can reduce the experimental cost.

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Product specifications 

Item    NO.Capacity(ml)Rim    Diam(mm)Bottom    Diam(mm)Height(mm)
C-7520322043
C-7625372246
C-7730402450

Product applications

(1) In the field of coal and solid fuel analysis, it can be used for coal volatile matter determination, coke analysis, and other solid fuel analysis.

(2) In the chemical industry, it can be used for solid sample processing and chemical reaction containers.

(3) In the field of scientific research experiments, it can be used for material research and geological and mineral research.

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