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Method for determination of crystallization point of organic chemical products (2)

 Last Update: 2022-01-19
 Source: Internet
 Author: User

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5 Installation of the instrument

6 Preparation of samples

The liquid sample is directly sampled and poured into the crystallization tube

Put the solid sample into a jar or glass tube, close the stopper, put it in an oven or heating bath, control the temperature to be 10-15℃ higher than the crystallization temperature, make it all melted, spread it evenly, and pour it into the crystallization tube

At room temperature, solid samples such as small pieces, tablets, powders, etc.

The samples that need to be dried before the measurement are dried with different desiccants according to the nature of the sample and the water content, and the method specified in the product standard is used for drying

Add the desiccant to the melted sample.

Related links: Determination of the crystallization point of organic chemical products (1)

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