Liu Gong said regulators | ascorbic acid efficacy and applicable crops
Ascorbic acid (Vitamin C) 1. Chinese common name: ascorbic acid; vitamin C; vitamin C; vitamin C; 2. English common name: Vc; Vitamin C; Ascorbic acid; Ascorvel; Celin; CevexRedoxon; Sewcorbate; Vicelat 3. Chemical name: L-ascorbic acid 4. Product Name: Ascorbic Acid 5. Chemical structure 6. Physical and chemical properties The pure product is white crystal, the molecular formula is C6H8O6, the relative molecular mass is 176.12, the melting point is 190~192 °C, it is easily soluble in water,...
What is melamine foam what melamine foam is applied to
Melamine foam, also known as melamine foam or melamine-melamine foam, is a new type of sound absorbing, heat-insulating, and heat-insulating material developed internationally in the 1990s. In addition to its excellent sound absorption, heat insulation, and fire-retardant properties, melamine foam has advantages over flame retardant, pvc resin,environmental protection, hygiene,boric acid flake, and safety in comparison with glass wool and polyurethane foam equivalents. First, melamine foam...
Isopropyl alcohol demand capacity and production technology
It has been reported that isopropyl alcohol (IPA), also known as isopropyl alcohol, is used as a low-cost solvent in many industrial and consumer products and can also be used as an extractant. According to the analysis of European Solvent Industry Group (ESIG), in 2001 in Europe, IPA accounted for 32% of its consumption of intermediates, 14% for anti-icing agents, 13% for coatings and resins, and 9% for pharmaceuticals. 4% for food, 3% for ink and binder. It can also be used as a solvent for...
Application of alcohol soluble polyamide resin in ink
Polyamide resin refers to a polymer having -NCO structure in the molecular chain. Using dimer fatty acid as a monomer, various properties of the polyamide resin product for ink can be produced through several modification methods. Polyamide resins of this type can be broadly divided into two major categories: one is benzene-soluble polyamide resin, which is mainly used in surface gravure ink; the other is alcohol-soluble polyamide resin. However, polyamide resins provided by most manufacturers...
Polyvinyl alcohol modified and modified polyvinyl alcohol coating composite process
[Abstract] The modification mechanism of polyvinyl alcohol (PVA) and the production process of modified PVA coating composite are discussed. The results show that the modified PVA achieves the advanced technology of direct coating and compounding on PE without pre-coated anchoring agent,Sodium Hexametaphosphate simplifies the production process and reduces the production. Compared with the unmodified PVA, the wet performance is obviously improved and the anoxic performance is improved. To reach...
Advantages and disadvantages of isopropyl alcohol fountain solution
The fountain solution containing isopropyl alcohol (IPA) is widely used in printing plants,titanium Dioxide. This fountain wave liquid can easily control the ink balance and ensure the printing quality. This fountain solution usually contains 10% to 15% isopropyl alcohol, 80% water, and 5% other additives,pvc resin. After adding isopropyl alcohol to the fountain solution, there are the following advantages: 1. It can effectively reduce the wheat flour tension of fountain solution. When the IPA...
Determination of Polymer Impurities in Cefoperazone Sodium and Sulbactam Sodium
2.2 The linear relationship of the test accurately weighed the amount of puerarin reference substance dried to constant weight, dissolved with 30% ethanol solution, made of each lml containing 00! The puerarin reference solution, precision pipette 1, 2, 3, 4, and 111, respectively, was placed in a 11111 volumetric flask, diluted with 30% ethanol to the mark, and 10 μf/l was sampled under the above chromatographic conditions, and the integrated value was measured. The linear regression...
Sodium hypophosphite / sodium hypophosphite / sodium hypophosphite / sodium hypophosphite
Cas number 7681-53-0 Molecular formula NaH2PO2 Molecular weight 87.98 Sodium hypophosphite White powder or colorless crystal, deliquescent and odorless. Salty. Weathered in dry air, slightly hygroscopic in humid air. Phosphine precipitates and ignites spontaneously under strong heat. Soluble in 1 part cold water, 0.15 part boiling water, soluble in boiling ethanol and glycerin, soluble in cold ethanol, slightly soluble in absolute ethanol, insoluble in ether The aqueous solution was neutral....
Jiang Hong for the cosmetics endorsement skin white exquisite refined by the merchants
Mainland popular Xiaohua Dan Jiang Hong, because of the Haiyan drama "New Never Looks" hot shot, spy war drama "Black Rose" took turns to spread popularity, not only frequently attracted by well-known magazines to shoot fashion blockbusters, but also by many advertisers Favor. Just recently, Jiang Hong went to Chengdu after finishing the filming of the new drama "The Destiny Comes", and promoted the promotion of its latest endorsement cosmetics. At the promotion...
Seasonal eye skin care skills are refined into alum
Even though there has been some time in the spring, the dry climate in the north has not improved, and the lack of moisture in the air has caused problems in the eye. How to save eye skin? Choose targeted eye products and develop proper maintenance habits. These four eye care tips help you to make a bright and bright eye, this spring you are the most beautiful! One: strengthen the absorption of eye products 1. Choose an absorbent eye cream If you want to know if the texture of the eye cream is...
One winery in Qingdao was sealed up with 60,000 bottles of industrial glycerine against wine
Mr. produces various types of wine and waits until the date of shipment and sales to mark the production date. On the morning of August 17, the law enforcement officers of the inspection team of Qingdao Bureau of Quality Supervision checked the winery in Pingdu City and found that the 7 wines, including wine and wine, had not been marked on the date of production although they were bottled and sealed. Up to 60,000 bottles. In addition, the factory also illegally used industrial glycerin and...
Carton Break Tester's Special Glycerine
Carton Break Tester 's Special Glycerine Haida Instrument 400-071-1808/0769-89280808 The main purpose of glycerol: For gas chromatography fixative and organic synthesis , can also be used as solvent, gas meter and hydraulic press shock absorbers, softeners, antifreeze, nutrients for antibiotic fermentation, desiccant and so on. Can absorb moisture from the air, but also can absorb hydrogen sulfide, hydrogen cyanide, sulfur dioxide. Neutral to litmus. Long-term low temperature at 0 °C, can...
US applied to automotive coolant to reach 5 million pounds of refined glycerine in 2012
The American Society for Testing and Materials (ASTM) released the news last weekend that the use of glycerol in light and heavy-duty vehicle cooling systems has entered the commercialization stage this year due to the green pass for alternative ethylene glycol. Industry insiders anticipate that the amount of refined glycerol applied to automotive coolants in 2012 will reach 5 million pounds, which will reach 10 million pounds by 2013. It is understood that it has been one year since ASTM...
Glycerine skin care function
I. Overview The chemical name of glycerol is glycerol, which is a colorless, transparent liquid. Odorless. Warm sweet taste. It absorbs moisture from the air, and it also absorbs hydrogen, ***, and dioxide*. Neutral to litmus. Long-term exposure to low temperatures of 0°C results in the formation of shiny orthorhombic crystals with a melting point of 17.8°C. Cases of strong oxidants such as chromium trioxide, cesium, and pyrophosphate can cause combustion and explosions. Can be mixed with water...
Glycerine data
Glycerine Information Human Pentosidine ELISA Kit Anti-Collagen Type IV Antibody Claudin 1 Antibody Porcine Interleukin 1α (IL-1α) ELISA Kit Salmon Carp Complement Protein 3 (C3) ELISA Kit Soluble Starch 500g Medium Protein Raw Material Unit: Item No. Product Name Specification Price Remarks BS7001 Tryptone 250g32ARBS7002... Rabbit Endothelial Nitric Oxide Synthase 3 (eNOS-3) ELISA Kit Stent Protein Antibody Goat Growth Hormone Releasing Peptide (GHRP) ELISA Reagent Box Human bullous pemphigoid...
PET (resin) basics
Basic knowledge of PET resin PET (also known as PETE) is a polyester material that can be drawn, injection molded, and blown. köksan pet resin According to different requirements, special grades of resin can have different applications. PET is a long chain (long chain of molecules is shown by the number of basic units), a white or slightly blue thermoplastic plastic, made of polycondensation of terephthalic acid and ethylene glycol. Each of these raw material particles provided by the resin...
Serious shortage of EVA resin for agricultural film
"If it wasn't earlier that more than 2,000 tons of Ethylene Vinyl Acetate Resin PelletsEVA (ethylene-vinyl acetate copolymer) resin was purchased at a time for more than 14,000 yuan (t price, the same below), it would be miserable now, not only that the price rose to nearly 17,000 yuan, but also The supply is in short supply, and sometimes it is not always possible to buy goods with money.” Liu Hongjian, the Minister of Mining and Supply of Tianjin No. 2 Plastics Factory, said in an interview...
PVC plastic floor price is the number of pvc plastic flooring What are the advantages
Reliance Pvc Resin K67，Pvc plastic floor is a new type of lighter floor decoration material that is now more popular. It has features such as environmental protection, sound absorption, and light weight. Polyvinyl Chloride Resin Manufacturers So it is widely used in schools, indoor home improvement, public places, schools, supermarkets, office buildings and other places. So, what is the price of pvc plastic flooring? What are the advantages of pvc plastic flooring? Let's take a look with...
Rising costs force the melamine industry to accelerate intensive development
As global resource prices continue to climb, melamine production bases using urea as raw materials are continuously concentrated. With the continuous expansion of the application fields of environmentally-friendly downstream products such as melamine-modified urea-formaldehyde resin adhesives, the demand in the international market has grown steadily and continues to extend downstream. The industry veterans at the just-concluded “Second China Melamine and Downstream Industries Development...
What are the advantages and disadvantages of melamine sheet melamine sheet
Speaking of melamine, I believe many consumers do not know what it is and even fear that it is a toxic substance. But in fact, in our lives, in the construction field, people use melamine board as a board material used in the construction industry. Then, let Xiaobian give everyone a good introduction about what is the advantages and disadvantages of melamine sheet and melamine sheet . What is melamine board Melamine board is a kind of wall decoration material, that is, paper with different...
Is melamine facing melamine facing toxic?
We will use a lot of plates in our home renovations. The materials of the plates are varied. Sometimes we don’t know enough about the properties of the plates and we’re worried about the environmental aspects of the plates, especially the melamine veneer . Many people hear this. Is the name subconsciously thinking that melamine veneers are poisonous? Let's take a look at the relevant knowledge today. Pvc Resin, Ethylene-Vinyl Acetate, Boric Acid Flakes. What is melamine decorative panel...
Nano-calcium Carbonate Modified Pvc Resin Passed Provincial Appraisal
On October 19th, the provincial key technology innovation project of the electrochemical plant, “Industrial Testing of Nano-CaCO3 in-situ Polymerization of PVC Resin,” passed the appraisal of Zhejiang Provincial Economic and Trade Commission. At this point, the electrochemical plant nano calcium carbonate in-situ polymerization of Pvc Resin K67 will be officially put on the market. Nanotechnology is a cross-cutting and frontier discipline that has gradually developed in the late 1980s. At...
China's Pvc Pure Powder Exports
According to the latest customs data, in January 2012, the import volume of China's Vinyl Chloride Resin pure powder was 76,519 tons, a decrease of 28.5% from the previous month and a year-on-year decrease of 43.3%. In January, the amount of Pvc Resin Manufacturers In The World pure powder imported from Taiwan was 27,917 tons; the amount of PVC pure powder imported from the United States was 30,507 tons;Titanium Dioxide the amount of pure PVC powder imported from Japan was 10,798 tons. In...
Nano Pvc Resin Passed The Identification
Xinjiang Tianye Group Shihezi Zhongfa Chemical Co., Ltd. and Zhejiang University's cooperation project “solid phase toughening graft copolymerization of nano-PVC composite resin” passed the appraisal of related departments a few days ago and has formed an industrial scale of 5,000 tons. According to reports, Reliance Pvc Resin Distributors, one of the five general-purpose plastics,Sodium Hexametaphosphate, has an excellent cost performance and is widely used in chemical building materials and...
