摘要
目的研究一种质控液，它能保证在连续切变毛细管粘度计上测全血粘度获得好的精密度和准确度。方法制备１００ｇ／Ｌ的聚乙二醇６０００做为非牛顿流体（全血）的质控物，检查工作程序和操作技术、校正仪器。结果质控液在三个切变率２００ｓ－１，３０ｓ－１，３ｓ－１的粘度值分别为４．５６±０．１２ｍＰａ．ｓ，５．１８±０．２１ｍＰａ．ｓ，９．７４±０．３２ｍＰａ．ｓ。批内变异系数（ＣＶ）分别为２．５０％、３．９８％、３．３１％；日间ＣＶ分别为５．１０％、２．７０％、４．１０％。结论该质控液是一种水溶性液体，与全血对应同属非牛顿流体。为临床血液流变学检验提供了一个实际可用的。
Objective To investigate a special quality control liquid, which ensures high accuracy and precision of whole blood viscosity test with continuous shear capillary viscometer Methods 100 g/L Polyethylene glycol 6000 was prepared and used as 'controls'of non Newtonian liquid and served as a check on procedure,techniques,and instrument calibration.Results The controls indicated three apparent viscosity 4 56±0 116 mPa s,5 18±0 206 mPa s and 9 74±0 323 mPa s under three shear rates at 200 s 1 , 30 s 1 ,and 3 s 1 ,within run cv of 2 5%,3 98%,3 31% and between day CV of 5 1%,2 7%,4 1% respectively Conclusions The control was a water solution ,which provided practical and convenient quality control liquid for routine clinical hemorheological tests
