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Tianjin inspection and quarantine tips: imports of hazardous chemicals should be used in "safe" packaging
Time of Update: 2021-01-24
China Paint Network News: days ago, Tianjin Wuqing Inspection and Quarantine Bureau staff in the inspection of a batch of hazardous chemicals from South Korea, found that the product is not special packaging for dangerous goods, does not meet the requirements of international dangerous goods transport regulations.
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Detection of chemical pollutants in agricultural products: to ensure the safety of the tip of the tongue.
Time of Update: 2020-09-19
For cooks and housewives, "pesticide residues" are the most important thing to care about when buying and cooking. In fact, through the development of nearly ten years, China has established a better
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Chemical salt water chiller and online group shopping tips.
Time of Update: 2020-07-31
Chemical salt water freezer and online group in the selection of oil is still a lot of tips, according to different types of machine selection of lubricants are not the same.
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Chemistry tips: it's time to collect this updated MNR chemical displacement table
Time of Update: 2017-10-29
In 1997, Gottlieb, kotlyar and nudelman, from the University of Baylan, Israel, published an article entitled NMR chemical shifts of common laboratory solutions as trace improvements (J org Chem 1997,
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Chemical purchasing tips: you call 10 times, I only need 1 inquiry!
Time of Update: 2017-07-26
Online shopping, the word, has penetrated into all aspects of modern life, clothes, cosmetics, fruits, vegetables and so on, only you can't think of, no one you can't buy At present, all the shopping