Innovation, Green, Integrity, Inclusion
Based on the excellent production capacity and good product quality
Innovation, Green, Integrity, Inclusion
Always adhere to the sustainable development strategy
Focusing on the Great Central Plains Building a Better Longdeyang
Vigorously improve quality and efficiency
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ABOUT US
Puyang LongdeYoung New Material Co. ("LongdeYoung") is located in Puyang City, Henan Province, the hometown of Chinese dragon. Puyang City is adjacent to Hebei and Shandong provinces, with convenient transportation.
Long Deyang is located in Puyang Industrial Park, the eastern section of Yellow River Road, and was established in June 2017 with an investment of 315 million RMB to build a workshop with an annual production capacity of 3,000 tons of homophthalic anhydride, 2,000 tons of homophthalic dianhydride and 500 tons of homophthalic acid...
Established in 2017
315 million yuan investment
Annual production capacity of 3000 tons crude PMDA
APPLICATION SCENARIOS
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Commonly used instruments, equipment and applications for organic chemistry experiments
The glass instruments, metal instruments, electrical instruments and some other equipment used in organic chemistry experiments are introduced as follows
Commonly used devices for organic chemistry experiments
In order to facilitate access and comparison of the basic operations commonly performed in organic chemistry experiments, Rebaud Intermediate Research Center concentrates here on the instrumentation for reflux, distillation, gas absorption and stirring operations.
The use of common laboratory glassware and the use of specifications
The most contacted and used glass instruments in the laboratory is the most, if the correct cleaning and maintenance of glass instruments? (1) After washing the glass instruments upside down when the wall should not hang water beads, and then use a small amount of distilled water or deionized water to shabu-shabu several times. (2) glass instruments to pay attention to the use of a variety of different nature of the washing solution, be sure to remove the previous washing solution before using the next washing solution to avoid mutual influence. (3) Measurements of standard substances or samples of glass instruments can not be used to dry at high temperatures, should be inverted to dry.