Automatic determination of freezing point of low temperature coal tar solution
Low temperature coal tar is one of the main products produced by low temperature distillation of coal or oil shale. It's a brown oily liquid with a peculiar odor. The main components are cycloalkanes, alkanes and phenols. After processing, various liquid fuels and products used as raw materials for chemical industry can be obtained. Low temperature coal tar is the main oily product obtained by low temperature distillation of coal or oil shale. It is brown and has a special odor. The specific gravity is about 0.85~1.05 at room temperature. The main components are naphthenes and paraffins, and can be obtained by fractional distillation of light oil, solar oil, gasoline, lubricating oil and other fractions and residual asphalt. Can be made into a variety of liquid fuel and chemical industry raw materials.
Freezing point (freezing point) refers to the oil under specified conditions, cooling to the liquid level does not move when the high temperature, expressed in ℃.
The freezing point is determined according to GB/T 510-1983 (1991) "Petroleum Products freezing point Determination Method". Suitable for measuring freezing point of dark petroleum products and lubricating oil. And SH113E1 automatic freezing point tester is based on the national standard GB/T510 "petroleum products freezing point determination method", the use of modern advanced technology, set of mechanical, optical, electronic and computer technology in one, can automatically complete the freezing point test of petroleum products, this instrument uses photoelectric detection technology, glass tube automatic tilt method, Imported compressor refrigeration system to ensure the required refrigeration depth.
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