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(1) The role of food additives
Rational use of food additives can prevent food spoilage, maintain or enhance food nutrition, improved or enriched food color, smell, and taste and so on.
(2) The need for the use of food additives
In fact, without the use of preservatives have a greater risk, which is often due to bad food poisoning caused by a disease. In addition, the preservative in addition to prevent food spoilage, but also can kill bacteria Aspergillus toxigenic microorganisms, which is undoubtedly beneficial to human health.
(3) The amount of safety of food additives
Without any toxic effects on health or adversely affect the amount of food additives, with the quality of daily intake per kilogram (mg) to represent the reference to GB 2760-2011 national food safety standards.
For example, as a food additive, tetrasodium ptrophosphate has been used as a buffering agent, an emulsifier, a dispersing agent, or a thickening agent.Do you know about its application of specific? The foods we would eat commonly such as chicken nuggets, marshmallows, pudding, crab meat, imitation crab, canned tuna, and soy-based meat alternatives and cat foods and cat treats, they all contain tetrasodium ptrophosphate, where it is used as a palatability enhancer. Tetrasodium pyrophosphate is also used in some common baking powders. Besides, it as a food additive, also be used as a buffering agent, an emulsifier, a dispersing agent, and a thickening agent.
It bring us lots of delicious and happy with even no disadvantages, we just enjoy it and don’t worry too much!
Contact Us
Add: Boai Road, Xiake Town, Jiangyin City, China
Tel : 0086-25-52397806
Fax : 0086-25-68650010
E-mail : info@china-phosphate.com
Web: www.china-phosphate.com
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In fact, in the usual sewage treatment time, some sewage, using a single flocculant is not up to the effect, you must combine two kinds of use, the use of inorganic coagulant PAC and polyacrylamide flocculant sewage treatment will achieve better effect, but the time to pay attention to add pharmacy order, the order is not correct, but also fail to effect.
Polyacrylamide flocculant mixing and other sequential method added:
When using the composite flocculant must pay attention to their sequence and dosing intervals. PAC and PAM is to make joint use of PAC in the first complete and the charge / colloid destabilization after the formation of small flocs , and further increase the floc size is conducive to fully precipitate. Since PAC reaction time is very short, so need a strong mixing after adding, PAM longer duration of action, mixed note after the first strong weak - strong first is to mix evenly in order to avoid damage to the weak floc! Polyacrylamide flocculant belong , PAC belong coagulant , under normal circumstances is to add coagulant coupled with polyacrylamide, but to be safe, it is recommended that you add through experiments to determine the effect of the order ! Dosing point , dosage , dosing time and the need to experiment to determine mixing intensity , remember do not put them to use both agents together , otherwise it will affect the results , increasing the cost.
Why Choose Us
Ke Gao Chemical Co.,Ltd was founded in January, 1998, a large-scale private chemical enterprise group specializing in the production of Polyacrylamide. We are factory based professional PAM supplier, and our mission is to become the most polyacrylamide supplier of China, so we are 100% percent assured of our competitive product quality and price offer. Our professional polyacrylamide has received ISO certificates.
Contact us
Kegao Chemical Co.,Ltd
Tel: 0086-25-52397805
Fax: 0086-25-68650010
E-mail: info@njgaokechem.com
Website: www.njgaokechem.com
Add: Luhe Industry Zone, Jiangsu Province, China
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Sodium laureth sulfate, or sodium lauryl ether sulfate (SLES), is an anionic detergent and surfactant found in many personal care products (soaps, shampoos, toothpaste etc.). SLES is an inexpensive and very effective foaming agent. SLES, SLS, ALS and sodium pareth sulfate are surfactants that are used in many cosmetic products for their cleansing and emulsifying properties. They behave similarly to soap.
Its chemical formula is CH3(CH2)10CH2(OCH2CH2)nOSO3Na. Sometimes the number represented by n is specified in the name, for example laureth-2 sulfate. The product is heterogeneous in the number of ethoxyl groups, where n is the mean. It is common for commercial products for n=3. SLES is prepared by ethoxylation of dodecyl alcohol. The resulting ethoxylate is converted to a half ester of sulfuric acid, which is neutralized by conversion to the sodium salt.The related surfactant sodium lauryl sulfate (also known as sodium dodecyl sulfate or SDS) is produced similarly, but without the ethoxylation step. SLS and ammonium lauryl sulfate (ALS) are commonly used alternatives to SLES in consumer products.
Sodium Lauryl Ether Sulfate (SLES) can irritate the mucous membranes and upper respiratory tract, can irritate eyes and ski.It will cause respiratory allergic reactions. When encounter the flame, SLES will become high combustible. The high thermal decomposition will let out poisonous gases. So operators must receive special training, strictly abide by the operation procedures.
If you want to know more about Sodium Lauryl Ether Sulfate (SLES), please come and click our website.
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Properties
Potassium sodium tartrate is a colorless, blue, white salt crystallization orthorhombic system. It is slightly soluble in alcohol, but more completely soluble in water. It has a specific gravity is about 1.79, melting point is 75 ℃, with physiological saline, the taste of cool. As a food additive, its E number is E337.
Potassium sodium tartrate has been used in medicine as a laxative. It is also used in the process of the silver mirror. This is a Fehling solution, the original solution used in the determination of reducing sugar in the composition.
In organic synthesis, it is used in water workups, broke the emulsions, especially for use based on aluminum hydride reagents.
In the protein crystallography, it is a common form of precipitant and biuret reagent which is one of the ingredients; it is used to measure the protein concentration.
Applications
1. Used as a reducing agent on the printing plate making, mirrors, thermos bottle industry; 2. Electroplating industrial complexing agent;
3. Sugar-refining on medicine;
4. The telecommunications industry to make crystal speaker and microphone;
5. ADA desulfurizerIn Fertilizer industry;
6. It was applied on glass or other industry;
7. Reducing sugars in food monitoring, add tartaric acid complex copper generated in; Film reagents, promote cuprous oxide formation.
The preparation of crude products:
1. Neutralization: put the raw tartaric acid into the cylinder, adding twice amount of water. With steam heating to boiling under stirring constantly, slowly add dry sodium carbonate to neutral, until does not produce bubbles. At this time, the solution is neutral.
2. Filter: with bag to filter when it still hot. The filtrate should be transparent or nearly transparent.
3. Concentration and crystallization: move the filtrate to enamel cask, heating evaporation concentration and solution concentration is 38-42 baume degree, take out in a shallow dish with 15 to 20 centimeters advisable (thickness), and let stand at room temperature for 24 hours natural crystallization. Separate mother liquor; take out crystallization, washing in cold water at a time, then get potassium sodium tartrate crude product.
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Polyacrylic acid can be made of polyacrylonitrile or polyacrylic ester under the temperature of 100 degrees to acidic hydrolysis and oxidation/reduction system composed of sodium sulfate as the initiator of the aqueous solution polymerization method for preparing polyacrylic acid.
Polyacrylic acid directly generated from acrylic monomer free radical reaction in water medium directly. Isopropyl alcohol with molecular weight regulator, not only can make the small range is relatively narrow molecular weight distribution, and decreasing viscosity, remove heat of reaction.
Production process is generally intermittent. Polymerization temperature control in 60 ~ 100 degrees, reactant ester ratio, the concentration of acrylic acid is commonly 10% ~ 30%. Ammonium persulfate (NH4)2S2O8 is generally used in an amount of 8% to 15% of acrylic acid. Molecular weight modifier can be added. In the quality of products to control the molecular weight of polyacrylic acid; don’t add the molecular weight regulator. And molecular weight regulator, the formula of acrylic try preferable limit; should take the lower conversely. And molecular weight regulator, the amount of initiator in the formula should be take limit, the opposite response to the lower limit. Acrylic initiator at the same time, according to the proportion respectively drops to the water or a combination of chain transfer agent and water injection in the polymerization reaction. In general, high molecular weight regulator, the dosage of initiator dosage, is beneficial to reduce the product molecular weight of polyacrylic acid. For preparation of high molecular weight polyacrylic acid, there must be an inert gas opposite out the oxygen in the reaction system quickly.
PAA is often used with other water treatment agent formula, used for power plants, chemical plants, fertilizer plants, refineries and air conditioning systems such as scale inhibition dispersing agent in the circulating cooling water system. Specific formula and dosage according to the situation and equipment material water quality by the test. Used alone, generally use the concentration of 1 ~ 15 mg/L.
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