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Novel melting point sliding point instrument and correction measurement method thereof

A measurement method, slip point tester technology, applied in the field of analytical instruments, can solve the problems that animal and vegetable oils have no standard samples, cannot accurately measure the melting point of animal and vegetable oils, and cannot establish comparative data, etc.

Pending Publication Date: 2020-07-10
上海仪电物理光学仪器有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The common automatic melting point instruments on the market can only analyze the melting point of the substance to be tested on the basis of the standard sample after simply completing the standard sample test. Unable to accurately measure the melting point of animal and vegetable oils

Method used

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  • Novel melting point sliding point instrument and correction measurement method thereof
  • Novel melting point sliding point instrument and correction measurement method thereof
  • Novel melting point sliding point instrument and correction measurement method thereof

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0018] as attached figure 1 As shown, a novel melting point slip point tester includes an electric furnace 1, an electric furnace block 2 is installed on one side of the electric furnace 1, and one end of a water bath tube 3 extends into the chamber of the electric furnace block 2, and the opening The capillary 4 is inserted into the water bath tube 3 and extends into the chamber of the electric furnace block 2, the water bath tube 3 is filled with water 5, and the...

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Abstract

The invention provides a novel melting point slide point instrument and a correction measurement method thereof. Standard samples (p-nitrotoluene (52.56 DEG C), azobenzene (68.78 DEG C) and naphthalene (81.0 DEG C)) are used for correcting the precision of the melting point (slide point) of the instrument, and the advantages of image analysis are utilized, and the test of the melting point of thesample and animal and plant sliding points is considered.

Description

technical field [0001] The invention belongs to the technical field of analytical instruments, and in particular relates to a novel melting point slipping point instrument and a calibration measurement method thereof. Background technique [0002] The melting point of a substance is the temperature at which the substance changes from solid to liquid. Substances reflect light when in the crystalline state and transmit light when in the molten state. Therefore, during the melting process of the substance, as the temperature rises, there will be a jump in light transmittance. In the field of organic chemistry, melting point determination is the basic means to identify the nature of the substance, and it is also one of the important methods for purity determination. The melting point instrument is An analytical instrument that measures the melting point of a substance to analyze the nature of the substance. Therefore, the melting point instrument plays an important role in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/04
CPCG01N25/04
Inventor 史琼陈若雷朱中华
Owner 上海仪电物理光学仪器有限公司