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anionic polyacrylamide molecular weight introductions

  • ANIONIC POLYACRYLAMIDE – SNF FLOERGER©

    16 行 · 2018-10-30 · Polyacrylamide. SERIES. FORM. MOLECULAR WEIGHT. PRODUCT EXAMPLE. FLOPAM. POWDER. ULTRA HIGH. AN 934 VHM AN 923 VHMU.

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  • anionic polyacrylamide,anionic polyacrylamide

    Anionic pol yacr ylamide with high molecular weight and good solubility property can be an important kind of flocculants. And it has been widel y used in w ater tr eatment because of good flocculation performance7. Generally, mole-cular weight of polysaccharide polymer is determined by intrinsic viscosity 8. Accor dingl y, how to impr ove the intr insic

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  • Anionic Polymer Flocculant & Polyacrylamide

    2006-12-1 · Several studies have shown that high molecular weight anionic polymers (e.g. polyacrylamide) are commonly used in the settling of negatively charged kaolinite , , , . In this case, the polymer bridging mechanism is of primary importance, whereas charge neutralization will be of secondary or little importance . The use of high molecular weight anionic polyacrylamide in flocculating negatively …

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  • Asian Journal of Chemistry; Vol. 25, No. 13 (2013), 7071 ...

    2017-8-27 · molecular weight anionic polyacrylamide and achieve high conversion rates during polymerization, and the anionic polyacrylamide has good solubility. But it will result in secondary pollution to the environment as it has organic solvents and emulsifi ers added in the reaction system. Dispersion polymerization can be defined as a special

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  • The effect of polyacrylamide charge density and

    white powder PAM Polyacrylamide with Molecular Weight 14 Million 1-Introduction of polyacrylamide PAM: cation polyacrylamide is the water-soluble high molecular polymer. It can speed up the sedimentation of particle in the suspension.

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  • Dispersion polymerization of anionic polyacrylamide in

    2018-10-30 · ANIONIC POLYACRYLAMIDE. Post Author: snfchina. Post published: October 30, 2018. Post Category: Polyacrylamide. SERIES FORM MOLECULAR WEIGHT PRODUCT EXAMPLE FLOPAM POWDER ULTRA HIGH AN 934 VHM AN 923 VHMU FLOPAM POWDER VERY HIGH AN 934 SH & SHU SD & SHD…. Continue Reading.

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  • China Anionic PAM Polyacrylamide with Molecular

    2019-4-1 · Hydrex™ 3511, 3551, 3553 (anionic), and Hydrex™ 3613 (cationic) polymers (Veolia Water Technologies Canada), very high molecular weight PAM (˜ 10 7), were compared to Hydrex™ 3841, 3842 (anionic), and Hydrex™ 3807 (cationic) (Veolia Water Technologies Canada), high molecular weight activated starch polymers (˜ 10 6).

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  • Polyacrylamide – SNF FLOERGER©

    2018-9-7 · The molecular weight (MW) of commercial PAM ranges from 10 5 to >10 7 Da. High MW PAM (>10 6 Da) has a wider range of applications due to its high …

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  • Multiple introductions and subsequent transmission

    2015-3-29 · Sociology: A Very Short Introduction. 7.8 (17人评价) 作者: Steve Bruce. 出版社: Oxford University Press, USA. 出版年: 1999-6-24. 2015年3月29日 赞 回复. 加载更多 > 我来回复.

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  • Molecular Marker Analysis of Soybean Plant

    Multiple introductions and subsequent transmission of multidrug-resistant Candida auris in the USA: a molecular epidemiological survey Lancet Infect Dis. 2018 Dec;18(12):1377-1384. doi: 10.1016/S1473-3099(18)30597-8. Epub 2018 Oct 4. Authors Nancy A Chow 1 ...

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  • General Introductions-Tian Research Group

    ABSTRACT Molecular analysis of sources of resistance to plant pathogens should expedite and confirm novel gene discovery and consequently the development of disease resistant cultivars. Recently, soybean plant introductions (PIs) were identified that contain putative novel Rps genes for resistance to Phytophthora sojae.

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  • Molecular evidence for multiple introductions of garlic ...

    Our group aims to develop various physicochemical methods on hard and soft surfaces and interfaces. The research interests range from surface characterization to synthesis of …

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  • Whole genome and phylogenetic analysis of two

    Molecular evidence for multiple introductions of garlic mustard (Alliaria petiolata, Brassicaceae) to North America WALTER DURKA. Corresponding Author. UFZ Centre for Environmental Research Leipzig‐Halle Ltd, Department of Community Ecology, Theodor‐Lieser Str. 4, D‐06120 Halle, Germany.

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  • Population genetics of an invasive species, Heracleum ...

    2018-9-30 · Home Introductions 研究组介绍 研究方向 研究组发展历史 联系我们 研究组介绍 北京大学的色谱研究始于上世纪70年代初。目前的学术小组成立于1997年10月,2002年6月划归分析化学研究所,原称为“色谱与毛细管电泳分析研究小组”,主攻研究方向是生物药物 ...

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  • Anionic Poly-Acrylamide (aPAM)

    2021-3-18 · Anionic PAM is widely used in cropland water ... Norton, L. D. & Graveel, J. G. Polyacrylamide molecular weight and charge effects on infiltration …

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  • High Molecular Weight Anionic Polyacrylamide -

    2020-8-22 · Generally, anionic polyacrylamide with a molecular weight of 10 million is suitable for sewage treatment dispersant. It can be uniformly dispersed in the inorganic particle liquid and is not easy to dissolve, solid particles settle and organic pigments solidify. The molecular weight is between 18-25 million. It is a high molecular weight.

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  • Effects of polyacrylamide molecular weight and

    The effects of the surface charge and molecular weight of anionic and cationic polyacrylamide (PAM) on the surface chemistry, settling rates, floc sizes and sediment bed compactness of kaolinite suspensions has been investigated at pH 7.

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  • The choice of anionic polyacrylamide is not the

    Diafloc KP207 BS is a kind of anionic polyacrylamide with 14million molecular weight and medium hydrolysis degree ,can be used for water treatment and kinds of mineral processing.it can be replaced by chinafloc A2015 totally.

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  • The effect of polyacrylamide charge density and

    Molecular Weight: 5-30 Million Solid content: 89% Min Dissolved time: 1-2 hours Hydrolyusis Degree: 4-40 Tyepes: APAM CPAM NPAM Certification: ISO9001, ISO14001,

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  • anionic polyacrylamide,anionic polyacrylamide

    Molecular Weight 8-40million Flocculant Anionic Polyacrylamide Unit Price: US 1500-2000 Ton Min. Order: 1 Ton

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  • Professional High-Quality Anionic Polyacrylamide

    2021-6-16 · Getting started; Polyacrylamide Anionic; Polyacrylamide Anionic - China Manufacturers, Suppliers, Factory. The company keeps to the operation concept 'scientific management, high quality and efficiency primacy, customer supreme for Polyacrylamide Anionic, Bleaching Decolorizing Agent, Polydadmac Water Treatment, Dcda 99.5%,Cationic Polyacrylamide.To significantly improve our …

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  • Anion Polyacrylamide Factory, Custom Anion

    Report No. 99 ACRYLAMIDE AND POLYACRYLAMIDE by YEN-CHEN YEN e June 1976 a A private report by the PROCESS ECONOMICS PROGRAM l STANFORD RESEARCH INSTITUTE

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  • The choice of anionic polyacrylamide is not the

    2020-8-22 · Generally, anionic polyacrylamide with a molecular weight of 10 million is suitable for sewage treatment dispersant. It can be uniformly dispersed in the inorganic particle liquid and is not easy to dissolve, solid particles settle and organic pigments solidify. The molecular weight is between 18-25 million. It is a high molecular weight.

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  • China Anionic Polyacrylamide Powder

    Anionic Polyacrylamide (Powder) copolymerized by acrylamide and acrylate monomer, is a ultrahigh molecular weight polymer. It has great adsorption and bridging effect. Anionic polyacrylamide contains a certain number of polar groups in its molecular chain. Polar groups can adsorb solid particles suspended in water, and accelerate the ...

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  • The Precautions for the Use of Anionic

    1. Configuration concentration The molecular weight and viscosity of anionic polyacrylamide pam are high, so the ratio concentration is generally between 0.1% to 0.5%, and the solution rati...

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  • Professional High-Quality Anionic Polyacrylamide

    Molecular Weight: 5-30 Million Solid content: 89% Min Dissolved time: 1-2 hours Hydrolyusis Degree: 4-40 Tyepes: APAM CPAM NPAM Certification: ISO9001, ISO14001,

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  • ANIONIC POLYACRYLAMIDE POLYMER

    2003-6-1 · The objective of the present study was to evaluate the effect of the electric field associated with the basal and edge surfaces of the clay minerals on the adsorption of anionic polymers. Two negatively charged polymers, PAM90 and ACC86, of the same molecular weight (2×10 5 g mol −1 ) but with different degrees of hydrolysis (90 and 20% ...

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  • High Molecular Weight Liquid Polyacrylamide - OSS

    OS POLYCAP LQ – High Molecular Weight Liquid Polyacrylamide PHPA Partially-hydrolyzed polyacrylamide is a linear copolymer of anionic acrylate and nonionic acrylamide monomers. The polymer chain length and ratio of monomers can be varied during manufacture. PHPA acts as an excellent encapsulating polymer relying on a combination of anionic character and chain length to reduce…

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  • China Anion Polyacrylamide, Molecular Weight

    China Anion Polyacrylamide, Molecular Weight 1800, Find details about China Anion Polyacrylamide, Polyacrylamide from Anion Polyacrylamide, Molecular Weight 1800 - …

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  • How to choose the molecular weight of

    2020-10-22 · Cationic polyacrylamide with molecular weight between 7 million and 12 million. Before selecting the molecular weight, it must be ensured that anionic, nonionic or cationic polyacrylamide …

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  • Properties of Polyacrylamides - polymerdatabase.com

    2020-7-11 · Properties. 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 )-].

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  • ACRYLAMIDE AND POLYACRYLAMIDE - Markit

    Report No. 99 ACRYLAMIDE AND POLYACRYLAMIDE by YEN-CHEN YEN e June 1976 a A private report by the PROCESS ECONOMICS PROGRAM l STANFORD RESEARCH INSTITUTE

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  • High Molecular Weight Anionic Polyacrylamide -

    2021-7-2 · PAM-Anionic Polyacrylamide. PAM-Anionic Polyacrylamide is widely applied in the production of various types of industrial enterprises and sewage treatment. ... Molecular Weight. 15million-25million l onicity Viscosity 6-10. Degree of Hydrolysis% 10-40. 30-35. Solid Content% ≥90. 35-40. Shelf Life.

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  • China PAM-Anionic Polyacrylamide manufacturers

    2021-6-3 · Anionic Polyacrylamide is produced when acrylamide is polymerized with an anionic comonomer. Water soluble Polyacrylamide have been used for decades to facilitate solidliquid separations in wastewater and drinking water treatment, the pulp and paper industry, aquaculture, and many other industrial processes.

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  • Anionic Polyacrylamide, Anionic Polyacrylamide

    2003-6-1 · The objective of the present study was to evaluate the effect of the electric field associated with the basal and edge surfaces of the clay minerals on the adsorption of anionic polymers. Two negatively charged polymers, PAM90 and ACC86, of the same molecular weight (2×10 5 g mol −1 ) but with different degrees of hydrolysis (90 and 20% ...

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  • ANIONIC POLYACRYLAMIDE POLYMER

    2010-11-20 · POLYMER CHARGE AND MOLECULAR WEIGHT EFFECTS ON TREATED IRRIGATION FURROW PROCESSES R. D. Lentz', R. E. Sojka and C.W. Ross2 ABSTRACT Application of 5-10 mg L-1 water soluble anionic polyacrylamide (PAM) to furrow irrigation water during flow advance substantially reduces sediment loss and increases net infiltration.

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  • POLYMER CHARGE AND MOLECULAR WEIGHT EFFECTS

    Molecular Weight: 5-30 Million Solid content: 89% Min Dissolved time: 1-2 hours Hydrolyusis Degree: 4-40 Tyepes: APAM CPAM NPAM Certification: ISO9001, ISO14001,

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  • Professional High-Quality Anionic Polyacrylamide

    2021-3-16 · Anionic polyacrylamide (APAM) is a white powder with a molecular weight from 6 million to 25 million. It has good water solubility, can be dissolved in water at any ratio and is insoluble in organic solvents. Nonionic polyacrylamide NPAM Non-ionic polyacrylamide (NPAM) is a water-soluble, high molecular weight, low-ionic linear polymer. ...

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  • Polyacrylamide/PAM Series - sewagepurifying.com

    2014-10-17 · Poly(acrylamides) (PAMs) with various anionic and cationic charge densities from −1.64 to +0.98 meq/g but similar molecular weights were synthesized through radical polymerization. One of the aqueous PAM solutions and an aqueous dispersion of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanofibril (TOCN) were mixed at various PAM/TOCN weight ratios, and self …

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  • The effect of electric charge density of

    2007-11-1 · The favorable effects of the environmentally friendly, nontoxic, anionic polyacrylamide (PAM) as a soil conditioner have long been established. Some uncertainties exist, however, regarding the effects of PAM molecular weight (MW) on its performance as a soil amendment and its ability to penetrate into aggregates and stabilize interior surfaces.

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  • Aggregate Stability as Affected by Polyacrylamide ...

    Polyacrylamide nonionic water-soluble polymer; CAS Number: 9003-05-8; Linear Formula: (C3H5NO)n; find Sigma-Aldrich-92560 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich

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  • Anionic Polyacrylamide, Anionic Polyacrylamide

    2021-6-3 · Anionic Polyacrylamide is produced when acrylamide is polymerized with an anionic comonomer. Water soluble Polyacrylamide have been used for decades to facilitate solidliquid separations in wastewater and drinking water treatment, the pulp and paper industry, aquaculture, and many other industrial processes.

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  • POLYMER CHARGE AND MOLECULAR WEIGHT EFFECTS

    2010-11-20 · POLYMER CHARGE AND MOLECULAR WEIGHT EFFECTS ON TREATED IRRIGATION FURROW PROCESSES R. D. Lentz', R. E. Sojka and C.W. Ross2 ABSTRACT Application of 5-10 mg L-1 water soluble anionic polyacrylamide (PAM) to furrow irrigation water during flow advance substantially reduces sediment loss and increases net infiltration.

    Get Price
  • Professional High-Quality Anionic Polyacrylamide

    Molecular Weight: 5-30 Million Solid content: 89% Min Dissolved time: 1-2 hours Hydrolyusis Degree: 4-40 Tyepes: APAM CPAM NPAM Certification: ISO9001, ISO14001,

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  • The effect of electric charge density of

    2014-10-17 · Poly(acrylamides) (PAMs) with various anionic and cationic charge densities from −1.64 to +0.98 meq/g but similar molecular weights were synthesized through radical polymerization. One of the aqueous PAM solutions and an aqueous dispersion of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanofibril (TOCN) were mixed at various PAM/TOCN weight ratios, and self …

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  • Polyacrylamide(PAM) - Water Treatment Products - China ...

    2021-4-29 · CAS NO:9003-05-8 Molecular Formula:C3H5NO Type:Non-ionic Anionic CationicAppearance:White powder Molecular weight(million) 5-8 10-25 8-12 Solid content,% ≥88.0 ≥88.0 ≥88.0 Degree of hydrolysis,% ≤5.0 5-100 -- Cationic degree----5-60 Type Non-ionic Anionic …

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  • Polyacrylamide, Anionic polyacrylamide - Alibaba

    Shandong Tongli Chemical Co., Ltd., Experts in Manufacturing and Exporting Polyacrylamide, Anionic polyacrylamide and 193 more Products. A Verified CN Gold Supplier on Alibaba.com.

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  • Polyacrylamide Powder Manufacturers|PAM Crystals

    2021-6-2 · Polyacrylamide [ Properties ] Polyacrylamide, abbreviation PAM,is a glassy solid, easy to adsorb water ; the absorbing speed are varied with different derivative ions.Polyacrylamide is soluble in water and organic solvents as acetic acid, glycol, glycerin and amine.Polyacrylamide will be decomposed after long time heating. Decomposed temperature is over 200oC.

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  • INTRODUCTIONS - Flinders University

    2021-2-9 · Introductions_Nov 2020_V.1 . INTRODUCTIONS . THE PURPOSE OF AN INTRODUCTION . An introduction sets the context of your assignment. It should capture the reader’s attention and define the topic, giving background information and suggesting problems or issues that …

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  • Amazon.com: Molecular Biology: A Very Short

    for Molecular Biology today, including the development of new drugs, and forensic science. They also look forward to two key areas of evolving research such as personalised medicine and synthetic biology. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area ...

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  • Professional High-Quality Anionic Polyacrylamide

    Molecular Weight: 5-30 Million Solid content: 89% Min Dissolved time: 1-2 hours Hydrolyusis Degree: 4-40 Tyepes: APAM CPAM NPAM Certification: ISO9001, ISO14001,

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  • 50 anionic polyacrylamide distributors - badoc.info

    Polyacrylamide (PAM, Mw 10,000) is a low molecular weight nonionic water-soluble polymer used as an additive in CMP slurries, various printing applicatons, and as a flocculant in water treatment. 50% solution in water (packaging size denotes weight of solution).

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  • Polyacrylamide Manufacturers & Suppliers | Brovie

    Temperature Tolerant and Salt Resistant Polyacrylamide Anionic, US 1.8 - 2.5 Kilogram, Chemical Auxiliary Agent, 9003-05-8, temperature tolerant polyacrylamide.Source from Yixing Bluwat Chemicals Co., Ltd. on Alibaba.com.

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  • Temperature Tolerant and Salt Resistant

    kualitas tinggi Berat Molekul Tinggi Anionik Polyacrylamide untuk Egypte Water Treatment Flocculant dari Cina, cationic polyelectrolyte flocculants Produk, dengan kontrol kualitas yang ketat anionic pam pabrik, menghasilkan kualitas tinggi anionic pam Produk.

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  • Berat Molekul Tinggi Anionik Polyacrylamide untuk

    factory supplly molecular weight 4-20million cationic Polyacrylamide /anionic polyacrylamide flocculant for water treatment 1,385 - 1,610 Ton Min.Order: 5 Tons

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  • polyacrylamide flocculant on sale - China quality ...

    2005-4-19 · The molecular weight of novolacs used for resist production are realtively small. The number average molecular weight (M n) of resist-grade novolacs is generally between 1000 and 3000, which corresponds to between 8 and 20 repeat units, while the weight average molecular weight (M w) may be as large as 20,000.

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  • Untitled Document [henderson.chbe.gatech.edu]

    2021-6-20 · MobileScoutMadness › Introductions. Introductions. Take a minute to tell us about yourself, and your Mobile Scout! How you came to own it, what you've done to it, what you plan to do to it, where you've taken it, etc. Posting a picture or your Mobile Scout is greatly appreciated, too! Search everywhere in Introductions

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  • Very Short Introductions - discover VSIs from

    Molly Stewart. 19 days ago. Hello everyone, as a newly joined member of this space I thought I would introduce myself. My name is Molly Stewart, I live in Scotland and have caddied 5 seasons at four different golf courses in Scotland and New Zealand. I love the lifestyle that caddying brings and although I have not looped in the past year (a ...

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