(Table 1) Nd and Sr isotopic compositions and isotope dilution trace element ...
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Isotope dilution concentration determinations are accurate to approx. 1% for Rb and Sr, and 0.5% for Sm and Nd. Total procedural blanks averaged apporx. 1 ng for Sr and 100 pg...
同位素稀释法浓度测定的准确度：铷（Rb）与锶（Sr）约为1%，钐（Sm）及钕（Nd）约为0.5%。全程分析空白的平均值：锶（Sr）约为1纳克（ng），其余待测组分的空白值约为100皮克（pg）……
