The ¹⁴⁷Sm-¹⁴³Nd isotopic system has been used as a powerful geochronological tool. Usually the ¹⁴³Nd abundances has been obtained as the ¹⁴³Nd/¹⁴⁴Nd ratio. In this report, we will propose a new technique to measure ¹⁴³Nd. In this new method, the amount of ¹⁴³Nd is measured as the ¹⁴³Nd/¹⁴⁵Nd ratio and the ¹⁴⁶Nd/¹⁴⁵Nd ratio is used for the correction of mass fractionation. The normalizing value for ¹⁴⁶Nd/¹⁴⁵Nd ratio has been determined to be 2.07199. This technique will require no separation of Nd from other rare earth elements, since the stable nuclides with mass numbers of 143, 145, and 146 exist only in Nd. Furthermore, it seems that this new technique would be compatible with the old technique, where the data have been obtained as ¹⁴³Nd/¹⁴⁴Nd and normalized to ¹⁴⁶Nd/¹⁴⁴Nd=0.7219 after complete separation of Nd from mass-spectrometrically interfering REE.