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120. Solving a chemistry problem
Uploaded:
05.08.2022
Content: 713.rar 23,57 kB
Content: 713.rar 23,57 kB
Product description
713. Monodisperse polystyrene latex (with a copolymer of methacrylic acid and sodium salt of vinylphenylsulfonate) with a particle diameter of 480 nm was studied by microelectrophoresis in an aqueous medium of 1.00 mmol/dm3 of potassium chloride KCl. At 25°C (and pH 3) the electrophoretic mobility was -3.66*10-8 m2/(s*V). Calculate the thickness of the DEL and the zeta potential, assuming ε = 78.35, η = 0.890 cP.
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