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ÎÚ±´ÂåµÂÐü¹Òʽճ¶È¼Æ ¾ÍÊÇÖ¸µÄÎÚÊÏÕ³¶È¼Æ ά»ù°Ù¿ÆµÄ½âÊÍÊÇ£ºA Ubbelohde type viscometer or suspended-level viscometer is a measuring instrument which uses a capillary based method of measuring viscosity [1]. It is recommended for higher viscosity cellulosic polymer solutions. The advantage of this instrument is that the values obtained are independent of the concentration. The device was invented by the German chemist Leo Ubbelohde (1877-1964). |
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