Sodium Analysis by Uranyl Acetate Method
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Questions and Answers

What is the concentration of Magnesium Acetate in the Filtrate Reagent?

  • 2.1 mM
  • 20 mM (correct)
  • 10 mM
  • 1.1 mM

    • What is the purpose of adding Ferrocyanide in the Sodium Color Reagent?

  • To stabilize the sodium ion
  • To react with Magnesium Acetate
  • To precipitate sodium as the triple salt
  • To produce a chromophore that varies inversely as the concentration of sodium (correct)

    • What is the recommended storage condition for the reagent set?

  • Room temperature (25 - 30°C) (correct)
  • Refrigerated at 4°C
  • Frozen at -20°C
  • Heated at 40°C

    • What is the minimum volume of serum required for the test?

    <p>50 µl</p> Signup and view all the answers

    What is the significance of turbidity in the reagent?

    <p>It may be a sign of contamination</p> Signup and view all the answers

    How long is sodium stable in serum at room temperature?

    <p>At least 24 hours</p> Signup and view all the answers

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