How long does it take for the pumping agent to solidify when it is driven into concrete? Shanxi concrete pipe moistening agent manufacturer
The setting time of wetting agent in concrete depends on many factors, such as the amount of wetting agent in concrete, ambient temperature, water-binder ratio in concrete, and mix ratio of concrete ,…
Chongqing Huafeng’s nylon 66 integrated project has entered the trial production stage and is expected to be officially put into production in February next year
On October 8, Chongqing Huafeng’s third-phase integrated nylon 66 project with an annual output of 300,000 tons entered the trial production stage and is expected to be officially put into production …
Yangnong Kumho Company’s “high-performance epoxy resin for wind turbine blade manufacturing” passed the “Jiangsu Premium” certification
Recently, Yangnong Kumho Company’s “high-performance epoxy resin for wind turbine blade manufacturing” product successfully passed the “Jiangsu Premium” international cer…
The difference between acetonitrile and methanol used in HPLC_Kain Industrial Additive
1. First of all, the price of acetonitrile is high The price of acetonitrile, especially HPLC grade, is very high. However, according to the conditions shown in the literature or LC manufacturers, ace…
The history of the discovery of benzene_Kain Industrial Additives
Benzene was first synthesized in the early 19th century when coal gas was studied as a lighting gas. G. T. Accum produced many products from 1803 to 1819, some of which were found to contain a small…
What are the advantages of acetonitrile over methanol? _Kain Industrial Additives
Acetonitrile (CH3CN) is a widely used organic chemical raw material. In addition to being used as an extractant for extracting butadiene and isoprene from olefins and paraffins in the petrochemical in…
The efficacy of dipotassium glycyrrhizinate_Kain Industrial Additives
Dipotassium Glycyrrhizate (DPG) is an active ingredient extracted from the roots of the leguminous plant licorice (Glycyrrhizauralensis Fisch.). Generally speaking, licorice is mainly divided into thr…
The uses and side effects of glycyrrhizic acid_Kain Industrial Additives
Licorice is a commonly used traditional Chinese medicine and has been accepted and used by people. Its main ingredients are: glycyrrhizin, glycyrrhizic acid, glycyrrhizin, licorice flavonoids, tetrapy…
The difference between acetonitrile and methanol used in reversed phase chromatography_Kain Industrial Additive
1, absorbance. Acetonitrile HPLC grade small. Among the absorption spectra of commercially available HPLC grades and premium grades of acetonitrile and methanol, acetonitrile HPLC has the smallest abs…
Discussion on the gas-phase catalytic hydrogenation of dimethyl oxalate to synthesize ethylene glycol_Kain Industrial Additive
Ethylene glycol is a unique synthetic material. In the actual chemical production process, it is regarded as a chemical preparation material with basic properties. In daily use, it itself is used in p…
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