Your selection:

    Matrix
    • X
      2% HNO₃ & Tr. HF
    • X
      2-5% HNO₃ & Tr. HF & Tr. HCl
    • X
      3% HNO₃ & 2% HCl
    • X
      H₂O + tr. HNO₃ + tr. HF
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    Analyte / Compound

    Matrix

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