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Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions
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Synthesis of Graphene Nanofluids with Controllable Flake Size Distributions

Published on: July 17, 2019

A coagulation technique for purification of graphene sheets with graphene-reinforced PVA hydrogel as byproduct

Vadahanambi Sridhar1, Il-Kwon Oh

  • 1School of Mechanical Systems Engineering, Chonnam National University, Gwang-Ju, Republic of Korea.

Journal of Colloid and Interface Science
|May 21, 2010
PubMed

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Coagulation01:06

Coagulation

Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...