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Acta Chimica Sinica ›› 1956, Vol. 22 ›› Issue (4): 249-258. Previous Articles Next Articles
錢人元, 秦汶, 程鎔時
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CHIEN JEN-YUAN, CHING WEN, CHENG YUNG-SHIN
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The molecular weights of nine fractionated samples of butadiene-styrene copolymer were determined osmometrically in toluene at 25°.Experimental technique for the use of osmometer and the swelling of cellophane membrane in 5-30 pct NaOH solutions have been described.The change of permeability during repeated use of the membrane and its possible deformation during a determination were discussed.
CHIEN JEN-YUAN, CHING WEN, CHENG YUNG-SHIN. THE MOLECULAR WEIGHT OF BUTADIENE-STYRENE COPOLYMER[J]. Acta Chimica Sinica, 1956, 22(4): 249-258.
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