Stable Copper and Zinc Isotopes in Apollo 17 Double Drive Tube 73001/2
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Stable copper and zinc isotopes in Apollo 17 double drive tube 73001/2. Samples are the < 1 mm size fraction from dissection Pass 2; every four 0.5 cm depth interval subsamples were combined to enable analysis. Steps included chemical dissolution, column chemistry, and isotopic analysis using the Thermo Scientific Neptune Plus multicollector inductively coupled plasma mass spectrometer at Washington University in St. Louis. Isotopes are reported in delta notation in per mil units. Copper isotopes are relative to the standard NIST SRM 976, and zinc isotopes are relative to the standard JMC-Lyon.
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Broussard, Megan创建时间：
2025-04-02
