Genain C, Tellier P, Syrota A, Pocidalo J J, Hans M
Clin Chim Acta. 1978 Aug 15;88(1):177-82. doi: 10.1016/0009-8981(78)90167-5.
The infinite dilution conductivity (IDC) of plasma and urine allows a measurement of the electrolyte content in small samples (5 to 15 microliter). The method was compared to the corrected osmolality (II'p) measured by the freezing-point depression. A linear correlation existed between II'p and the IDC: for plasma: II'p = 13.10 sigma o,p + 37.00 (n = 46 and r = 0.9949) for urine: II'u = 12.75 sigma o,u + 16.56 (n = 85 and r = 0.9504). The measurement of the IDC does not depend on protein concentration and can be used instead of the osmometer methods to determine the total plasma and urine electrolyte content.
血浆和尿液的无限稀释电导率（IDC）可用于测量少量样本（5至15微升）中的电解质含量。该方法与通过冰点降低法测量的校正渗透压（II'p）进行了比较。II'p与IDC之间存在线性相关性：对于血浆：II'p = 13.10σo,p + 37.00（n = 46，r = 0.9949）；对于尿液：II'u = 12.75σo,u + 16.56（n = 85，r = 0.9504）。IDC的测量不依赖于蛋白质浓度，可用于替代渗透压计法来测定血浆和尿液中的总电解质含量。
