南京聚譜檢測科技有限責任公司（Nanjing FocuMS Technology Co. Ltd.，簡稱聚譜檢測，英文FocuMS）購置的Nu公司Nu Plasma II型高分辨多接收器等離子質譜（MC-ICP-MS）已經完成安裝調試，Sr-Nd-Pb-Hf同位素測試的內精度優于5ppm，尤其Nd同位素內精度可以達到1ppm，可以完成各種樣品的Sr-Nd-Hf同位素測定。
NU Plasma II型MC-ICP-MS性能指標：
Precision
Lithium (L-SVEC)
7Li/6Li internal ≤ 0.03%, external ≤ 0.05%
Sample/standard bracketing.
Iron
54Fe/56Fe internal ≤ 0.005% (50ppm), δ external ≤ 0.005% (50ppm)
57Fe/56Fe internal ≤ 0.005% (50ppm), δ external ≤ 0.005% (50ppm)
Sample/standard bracketing
Strontium (SRM 987)
87Sr/86Sr internal ≤ 0.001% (10ppm), external ≤ 0.0020% (20ppm)
Internal normalisation to 86Sr/88Sr = 0.1194.
Neodymium (JNdi-1)
142Nd/144Nd internal ≤ 0.001% (10ppm), external ≤ 0.002% (20ppm)
143Nd/144Nd internal ≤ 0.001% (10ppm), external ≤ 0.0015% (15ppm)
145Nd/144Nd internal ≤ 0.001% (10ppm), external ≤ 0.001% (10ppm)
Internal normalisation to 146Nd/144Nd = 0.7219.
Hafnium (JMC 475)
176Hf/177Hf internal ≤ 0.001% (10ppm), external ≤ 0.001 % (10ppm)
178Hf/177Hf internal ≤ 0.0015% (15ppm), external ≤ 0.0020% (20ppm)
180Hf/177Hf internal ≤ 0.002% (20ppm), external ≤ 0.003% (30ppm)
Internal normalisation to 179Hf/177Hf = 0.7325.
Lead (SRM 981)
207Pb/206Pb internal ≤ 0.002% (20ppm), external ≤ 0.002% (20ppm)
208Pb/206Pb internal ≤ 0.002% (20ppm), external ≤ 0.003% (30ppm)
206Pb/204Pb internal ≤ 0.010% (100ppm), external ≤ 0.010% (100ppm)
Internal normalisation to 205Tl/203Tl = 2.3875.
Uranium (Natural)
235U/238U internal ≤ 0.020% (200ppm), external ≤ 0.030% (300ppm)
234U/238U internal ≤ 0.1%, external ≤ 0.2%