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- W2391156730 abstract "Owning to the variation of the relative molecular mass and the degree of hydrolysis,the routine method of idodine-starch colorimetry does not adapt to the determination of the polyacrylamide concentration in the produced fluid.The disposal method of production fluid in the polymer flood block was established,to eliminate the influence of salt and surfactant and other impurities in the produced fluids by employing the ultra filtration technology and the American Millipore tangential stream system.It is found that the method to determine the polyacrylamide concentration can solve the difficult problem met in inaccuracy determination of the polyacrylamide concentration.The results showed that,by using the new method the relative error is no more than 1.0% and can meet the need of field determination,but the polyacrylamide concentration of produced fluids by the starch-cadmium iodide method is obviously lower than that determined by the new method." @default.
- W2391156730 created "2016-06-24" @default.
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- W2391156730 date "2007-01-01" @default.
- W2391156730 modified "2023-09-24" @default.
- W2391156730 title "A NEW METHOD FOR THE ACCURATE DETERMINATION OF POLYACYLAMIDE CONCENTRATION IN PRODUCED FLUIDS OF PLOYMER FLOODING OIL WELL——A Film Drying Method After Ultrafiltration and Condensation" @default.
- W2391156730 hasPublicationYear "2007" @default.
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