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cationic polyacrylamide vs acrylamide in afghanistan

  • Understanding the impact of cationic polyacrylamide

    2018-3-1 · However, in this work, polyacrylic acid rather than acrylamide was found to be the major inhibitor to the solubilization, hydrolysis, acidogenesis, and methanogenesis, probably due to the higher concentration of polyacrylic acid, as compared with that of acrylamide (e.g., 32.3 ± 3.2 vs 14.9 ± 2.1 mg/L in the digester with 12 g/kg TSS cPAM (236.7 mg/L) addition).

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  • The difference of anionic, cationic and Non-ionic ...

    2018-3-27 · March 27, 2018. Polyacrylamide is not the only acrylamide unit, the acrylamide unit is mostly called polyacrylamide. Thus, polyacrylamide may contain structural units that can be ionized or hydrolyzed in water to carry charges. As a result, there are cationic, anionic, non-ionic, amphoteric ion type of various polyacrylamide anionic polyacrylamide。.

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  • Cationic polyacrylamide_OKCHEM

    Polyacrylamide (PAM) is a linear water soluble polymer, is a water-soluble polymer compounds used in wide varieties of one, PAM and its derivatives can be used as efficient flocculant, thickening agent, paper strengthening agent and liquid drag reduction agent, which is widely used in water treatment, paper, petroleum, coal, mining, metallurgy, geology, textile, construction and other industrial sectors.

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  • The use of cationic, anionic and nonionic

    Cationic Polyacrylamide (CPAM) 69418-26-4,Powerful foculant widely used in industrial and municipal water treatment_OKCHEM Please note that all emails sent by OKCHEM are from ***@okchem.com, [email protected] okchemvip.com, or [email protected]

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  • Cationic Polyacrylamide (CPAM)_OKCHEM

    2018-4-4 · Anionic vs. Cationic PAM •Polyacrylamides can be anionic (negatively charged) or cationic (positively charged). •Fish have a negative charge on their gill mucous. •Anionic PAMs are repelled by the negative charge on fish gills, while cationic PAMs are attracted …

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  • Best Practices Guidance for the Use of Anionic ...

    2021-6-2 · Polyacrylamide is a polymer (-CH2CHCONH2-) formed from acrylamide subunits, it is long-chain polymer (same molecule repeating itself many times) designed to attract either positively charged particles (organic materials, such as carbon or human waste) or negatively charged particles (inert materials, such as sand or clay). The abbreviation of polyacrylamide is PAM, it is a chemical which …

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  • What is Polyacrylamide|PAM FAQ

    Acrylamide is a common monomer for various copolymers as well as in regular polyacrylamide gels. For example, copolymers of acrylamide and allyl gluconic lactobionic acid can be used to self-coat the capillary wall, allowing DNA fragments to be efficiently separated in an uncoated capillary [54] .

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  • The difference of anionic, cationic and Non-ionic ...

    2018-3-27 · Polyacrylamide is not the only acrylamide unit, the acrylamide unit is mostly called polyacrylamide. Thus, polyacrylamide may contain structural units that can be ionized or hydrolyzed in water to carry charges. As a result, there are cationic, anionic, non-ionic, amphoteric ion type of various polyacrylamide anionic polyacrylamide

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  • top grade anionic cationic polyacrylamide gel in ...

    2021-6-28 · The content of 20, 2%. PAM cationic,anionic and non-ionic three types. Non ionic PAM dissolved speed is slow,generally not used for sludge pretreatment, so the test only selects two kinds ofrepresentative of cationic polyacrylamide and anionic polyacrylamide. Cationic PAM adopt YSC60, molecular weight 12000000, 0.012% acrylamide monomer content.

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  • [PDF] Synthesis of a cationic polyacrylamide by a ...

    @article{Liu2018SynthesisOA, title={Synthesis of a cationic polyacrylamide by a photocatalytic surface-initiated method and evaluation of its flocculation and dewatering performance: nano-TiO2 as a photo initiator}, author={Y. Liu and Huaili Zheng and Y. Wang and Xinyu Zheng and Moxi Wang and J. Ren and Chuanliang Zhao}, journal={RSC Advances ...

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  • Polyacrylamide degradation and its implications in ...

    2018-9-7 · The hydrolyzed form of polyacrylamide (HPAM), a co-polymer of acrylamide and acrylic acid, is the most widely used anionic PAM in oil and gas development as well as …

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  • The stability of the polyacrylamide flocculant under ...

    The prevention of the polyacrylamide degradation and the degradation time of the polyacrylamide. The cationic polyacrylamide aqueous solution has high viscosity, it can automatically degrade into the acrylamide solution after a certain time, the general degradation time is two to three days.

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  • Quality Anionic Polyacrylamide Powder & Cationic ...

    White Cationic Polyacrylamide Flocculant Dewatering Primary Sludge Cationic Flocculant; Chemical Industry Cationic Polyacrylamide Flocculant For Waste Water Treatment; Polyacrylamide Anionic Water Soluble Polymers Of Acrylamide CAS 9003-05-8; Cas 9003-05-8 Anionic Polyacrylamide Powder For Silver Mining Tails Water Treatment

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  • Chemical flocculants - Kemira

    Cationic polyacrylamides are used, among other things, for the dewatering of sludge from biological treatment processes. Typically, the higher the share of biological sludge in the total amount of sludge, the higher the cationic charge density required in the polymer. Kemira produces a full range of cationic dry powder flocculants ...

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  • cationic polyacrylamide snf in india - New products

    cationic polyacrylamide snf in india. Water Treatment related content. Polyacrylamide - 9003-05-8 Latest Price, Manufacturers. Find here Polyacrylamide, 9003-05-8 manufacturers, suppliers & exporters in India. Get contact details & address of companies manufacturing and supplying Polyacrylamide, 9003-05-8 …

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  • Global Polyacrylamide Market Size, Price | Industry ...

    Global Polyacrylamide Market Size report objective to provide detailed analysis about the major factors impacting the growth of the real time market drivers, restraints, opportunities, and challenges. To analyze opportunities in the market for stakeholders and clients by identifying the …

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  • Cationic polyacrylamide copolymers (PAMs):

    2018-5-18 · Cationic polyacrylamide copolymers (PAMs) are used for sludge dewatering in municipal waste water treatment and might enter the environment by spreading of the sludge on agricultural land. Concern has been expressed since little is known about the degradation of PAMs in soils. To obtain detailed information on the polymer’s fate in the soil compartment, the degradation of 14C …

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  • Polyacrylamide | Tradeasia International

    Polyacrylamide (PAM) is a water-soluble polymer made up of acrylamide subunits. It has a unique effect to increase the viscosity of water or promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid. There are 3 different types of polyacrylamide, according to their ion ...

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  • chinese paper making polyacrylamide anionic

    2021-7-9 · Paper Making Industry Cationic Polyacrylamide Flocculant ISO Certificate. Paper Making Industy Cationic Polyacrylamide Flocculant Treatment Of Sewage Cationic PAM, copolymerized by cationic monomer and acrylamide, is a water-soluble and linear organic polymer with high molecular weigrApplication: As a flocculating . Get Price

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  • Anionic Polymer Flocculant & Polyacrylamide Powder ...

    2017-4-27 · Synthesis of low molecular weight polyacrylamide The acrylamide monomer was polymerized in distilled water, using hydrogen peroxide as the initiator. Nitrogen gas was bubbled inside a five-necked Pyrex glass reactor containing the acrylamide monomer (20 gm), distilled water (200 ml) as a solvent and hydrogen peroxide (0.5 ml) as initiator.

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  • Synthesis and Characterization of Different Molecular ...

    2006-5-2 · Water Holding Gels or Crystals AKA Polyacrylamide Hydrogels This month's Hort. Jounal of Australia has an article on these. Which reminded me of some research done a few years ago by the Australian Nursery Industry (Every pot-plant you buy in Australia has a small voluntary 'research tax' on it.

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  • Water Holding Gels or Crystals AKA Polyacrylamide ...

    2012-7-22 · Polyacrylamide Emulsions Handbook 2-2 Storage and handling of emulsions : basic principles Emulsions must be stored inside a building at a constant temperature between 5°C and 30°C. During the storage and handling, the emulsion must not be contaminated by water.

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  • Polyacrylamide Emulsions Handbook - SNF

    Zhengzhou Jintai Water Treatment Raw Material Co., Ltd. is a provider of acrylamide, polyacrylamide, waste water treatment chemicals, and aluminum sulphate. ... Ltd. specializes in cationic, anionic, and non-ionic polyacrylamide powder & liquid products.

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  • Synthesis and Application of Glyoxalted

    2019-5-25 · Atom transfer radical polymerization (ATRP) of acrylamide has been carried out in water or in glycerol−water (1:1 v/v) medium at 130 °C using water-soluble initiators, viz. 2-chloropropionamide (2-Cl-PA) or 2-bromopropionamide (2-Br-PA) and CuX (X = Cl, Br) bipyridine complex as catalyst. Extraneous addition of CuX2 (20 mol % of CuX) and/or excess X- ions (1 M alkali halide) in the reaction ...

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  • Cationic Polyacrylamide Flocculant Powder -

    2021-7-6 · Cationic polyacrylamide (CPAM) and cationic starch have been used as dry strength agents for many years in papermaking. However, CPAM is more suitable than cationic starch due to its lower required dosage. Recently, amphoteric polyacrylamide (AmPAM) has been used as a dry strength agent in the paper industry and other fields.

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  • Molecular weight of amphoteric polyacrylamide:

    Polyacrylamide (PAM) is a water-soluble polymer made up of acrylamide subunits. It has a unique effect to increase the viscosity of water or promote the flocculation of particles present in water, it can also reduce the frictional resistance between the liquid. There are 3 different types of polyacrylamide, according to their ion ...

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  • Polyacrylamide | Tradeasia International

    2020-1-17 · Examples of cationic coagulants include polyimine,polyquaternium compounds and quaternium based cationic copolymers. Flocculants are typically much larger cationic molecules (i.e., Mol. Wt. >1,000,000 Daltons) that provide long bridges between small flocs to enhance particle growth. Commonly used flocculants include copolymers of acrylamide and

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  • The Influence of Cationic Polymers on the Performance

    2021-7-9 · Paper Making Industry Cationic Polyacrylamide Flocculant ISO Certificate. Paper Making Industy Cationic Polyacrylamide Flocculant Treatment Of Sewage Cationic PAM, copolymerized by cationic monomer and acrylamide, is a water-soluble and linear organic polymer with high molecular weigrApplication: As a flocculating . Get Price

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  • chinese paper making polyacrylamide anionic

    partially hydrolyzed polyacrylamide pam, partially hydrolyzed polyacrylamide pam. 1,817 partially hydrolyzed polyacrylamide pam products are offered for sale by suppliers on Alibaba, of which paper chemicals accounts for 11%, petroleum additives accounts for …

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  • weight partially hydrolyzed cationic polyacrylamide

    2006-5-2 · Water Holding Gels or Crystals AKA Polyacrylamide Hydrogels This month's Hort. Jounal of Australia has an article on these. Which reminded me of some research done a few years ago by the Australian Nursery Industry (Every pot-plant you buy in Australia has a small voluntary 'research tax' on it.

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  • Water Holding Gels or Crystals AKA Polyacrylamide ...

    2006-11-16 · The polymerization was carried out at 25 °C, 200 atm and at 50 °C, 150 atm. Regardless of temperature and pressure, the reaction was completed, as followed by the 200-nm UV relative absorption (acrylamide absorbs at 200 nm and polyacrylamide does not adsorb at this wavelength), in …

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  • The synthesis of polyacrylamide nanoparticles in ...

    2012-7-22 · Polyacrylamide Emulsions Handbook 2-2 Storage and handling of emulsions : basic principles Emulsions must be stored inside a building at a constant temperature between 5°C and 30°C. During the storage and handling, the emulsion must not be contaminated by water.

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  • Polyacrylamide Emulsions Handbook - SNF

    polyacrylamide; it also demonstrates that most of the excess GTAC is converted to the diol by reaction with the water. 100 g polyacrylamide containing 94.7 mole percent of acrylamide units were treated in kerosene dispersion with a solution containing 300 g glycidyltrimethylammonium chloride, 150 g methanol and 150 g water for 6 hours at 90° C.

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  • Polyelectrolyte (Polyacrylamide Type) | DUBI CHEM

    2020-1-17 · Examples of cationic coagulants include polyimine,polyquaternium compounds and quaternium based cationic copolymers. Flocculants are typically much larger cationic molecules (i.e., Mol. Wt. >1,000,000 Daltons) that provide long bridges between small flocs to enhance particle growth. Commonly used flocculants include copolymers of acrylamide and

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  • The Influence of Cationic Polymers on the Performance

    2021-7-9 · Paper Making Industry Cationic Polyacrylamide Flocculant ISO Certificate. Paper Making Industy Cationic Polyacrylamide Flocculant Treatment Of Sewage Cationic PAM, copolymerized by cationic monomer and acrylamide, is a water-soluble and linear organic polymer with high molecular weigrApplication: As a flocculating . Get Price

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  • chinese paper making polyacrylamide anionic

    2020-7-11 · Polyacylamides are high molecular weight water soluble or swellable polymers formed from acrylamide or its derivatives. Their glass transition temperature is well above room temperature (> 400 K). The only commercially important polyacrylamide is poly(2-propenamide) which is simply called polyacrylamide or PAM [-CH 2 CH(CONH 2)-]. It is a non ...

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  • Synthesis of a cationic polyacrylamide by a

    2006-5-2 · Water Holding Gels or Crystals AKA Polyacrylamide Hydrogels This month's Hort. Jounal of Australia has an article on these. Which reminded me of some research done a few years ago by the Australian Nursery Industry (Every pot-plant you buy in Australia has a small voluntary 'research tax' on it.

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  • Properties of Polyacrylamides - polymerdatabase.com

    Chitosan derived from crab shells, was used to prepare the graft polymer in aqueous solution with acrylamide (AM) and methacrylatoethyl trimethyl ammonium chloride (DMC) as raw materials and ceric ammonium nitrate (CAN) as initiator. The flocculation ability of the resulting polymer (PCAD) was studied in waste water treatment experiments. Its properties were determined on the basis of the ...

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  • Water Holding Gels or Crystals AKA Polyacrylamide ...

    Polyacrylamide polymer msds Polyacrylamide is a kind of linear polymers,it can soluble in water,insoluble in most organic solvents. According to the product features can be divided into:anionic polyacrylamide,cationic polyacrylamide,and non-ionic polyacrylamide. it is widely used in oil recovery,mineral processing,coal washing,metallurgy

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  • Preparation of cationic chitosan-polyacrylamide

    2020-9-4 · Abstract: Cationic polyacrylamide (CPAM) is a polyelectrolyte whose monomeric unit contains ionizable cationic groups. In recent years, CPAM has received increasing attention owing to its unique properties and superior performance compared with those of other conventional inorganic coagulants and organic polymeric flocculants.

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  • Understanding the impact of cationic polyacrylamide

    2018-3-1 · However, in this work, polyacrylic acid rather than acrylamide was found to be the major inhibitor to the solubilization, hydrolysis, acidogenesis, and methanogenesis, probably due to the higher concentration of polyacrylic acid, as compared with that of acrylamide (e.g., 32.3 ± 3.2 vs 14.9 ± 2.1 mg/L in the digester with 12 g/kg TSS cPAM ...

    Get Price
  • Cationic polyacrylamide copolymers (PAMs):

    2018-5-18 · Cationic polyacrylamide copolymers (PAMs) are used for sludge dewatering in municipal waste water treatment and might enter the environment by spreading of the sludge on agricultural land. Concern has been expressed since little is known about the degradation of PAMs in soils. To obtain detailed information on the polymer’s fate in the soil compartment, the degradation of 14C …

    Get Price
  • PREPARATION OF ORGANIC POLYMERS - SNF

    2012-7-23 · Acrylamide + Chloromethylated monomer Cationic polyacrylamide Note : with R = H : ADAM (dimethylaminoethyl acrylate) with R = CH 3 : MADAM (dimethylaminoethyl methacrylate) CATIONIC POLYACRYLAMIDES Copolymers of acrylamide and of a chloromethylated monomer 1.1.3. Use and dosage : Coagulants are used after dilution.

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  • UV-Initiated Polymerization of Cationic

    2013-12-24 · 1. Introduction. In recent years, the mount of sewage treated by municipal wastewater treatment plant increases rapidly, resulting in a large amount of excess activated sludge generated, whose moisture content is up to 99.5%, and the sludge containing organic matter and noxious substances will harm the environment and must be handled properly []. ...

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  • Experiment 1: Polymerization of acrylamide in water

    2020-12-30 · Experiment 1: Polymerization of acrylamide in water Aim: (a) To polymerize acrylamide (monomer) in water to polyacrylamide (polymer) by free radical polymerization using a 'redox' pair of initiators. (b) To follow the kinetics of polymerization by monitoring the variation of

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  • Polyacrylamide - Safe Cosmetics

    2006-5-2 · Water Holding Gels or Crystals AKA Polyacrylamide Hydrogels This month's Hort. Jounal of Australia has an article on these. Which reminded me of some research done a few years ago by the Australian Nursery Industry (Every pot-plant you buy in Australia has a small voluntary 'research tax' on it.

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  • Water Holding Gels or Crystals AKA Polyacrylamide ...

    2020-12-1 · A survey on cationic polyelectrolytes and their applications: acrylamide derivatives. Reviews in Chemical Engineering 2015, 31 (3) ... Random and Graft Cationic Polyacrylamide Microgel Flocculants. Journal of Dispersion Science and Technology 2008, 29 (6) ...

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  • Polyacrylamide Handbook - SNF Holding Company

    2016-8-19 · Cationic Polymer Polyacrylamide Emulsion Dewatered Storage powders Anionic. 2 Polyacrylamide Emulsions Handbook Storage and handling 4. Storage and handling of emulsions : basic principles zzzEmulsions must be stored inside a building at a …

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  • polyelectrolyte flocculant cationic polyacrylamide

    2021-5-28 · CPAM Cationic Polyacrylamide , Industrial Water Treatment . Bluwat Cationic Polyacrylamide, short name is CPAM, also called Cationic Polyelectrolyte, is copolymer of acrylamide and quaternized cationic monomer with different range of molecular weight from 5-12 million, and a charge density ranging from 10-50%.

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  • Wastewater & Effluent Treatment | B&V Chemicals

    2021-7-13 · A cationic polyacrylamide of very high charge density and high molecular weight in emulsion. A cationic flocculant primarily for use in clarification following coagulation to aid settlement or flotation depending on the treatment process. BV1521: Cationic copolymer of acrylamide and cationic monomer in …

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  • Anionic Poly-Acrylamide (aPAM)

    2017-9-30 · Rapid and Reproducible Extraction of Acrylamide in French Fries using a Single SPE Sorbent - Strata™-X-C Acrylamide (MW 71, m.p. 84.5 °C, logP 0.67) belongs to the enamide class of organic compounds and is an extremely important indus-trial chemical. The polyacrylamide family of polymers and copoly-

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  • Using Polyacrylamide (PAM) to Reduce Erosion on ...

    2010-11-20 · nionic polyacrylamide polymers, when added to irrigation water, have been shown to be extremely eff ective at reducing soil erosion (see Sojka et al. [2007] for review). Th e PAM used in agriculture consists of high molecular weight polymers (12–15 megagrams per mole) containing >150,000 acrylamide monomer units.

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  • Acrylamide - Phenomenex

    2020-12-30 · Experiment 1: Polymerization of acrylamide in water Aim: (a) To polymerize acrylamide (monomer) in water to polyacrylamide (polymer) by free radical polymerization using a 'redox' pair of initiators. (b) To follow the kinetics of polymerization by monitoring the variation of

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  • Toxicity of Anionic Polyacrylamide Formulations when

    Most polymers in water industries are acrylamide-based. If molecular weight of polymer is 10 million, the number of monomers in one polymer molecule, “degree of polymerization” n = 10,000,000 71 = 140,850 (mol. wt. of monomer, acrylamide = 71) Physical Types of HMW Polymers Dry Polymer Cationic…

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