1. Analysis of Sulfamic Acid and Ammonium Thiocyanate According to Testing Methods for Fertilizers (2016) (NI-424)
  2. Anions and Organic Acids (NI-424)
  3. Tap Water (7) (NI-424)
  4. River Water (3) (NI-424)
  5. Rain Water (NI-424)
  6. Effect of pH on Retention Time (NI-424)
  7. Effect of Sample Load on Column Efficiency (4) (NI-424)
  8. Linearity of Calibration Curves (NI-424)
  9. Calibration Curves for Low Concentration F –
  10. Carbonate and Other Anions (2) (NI-424)
  11. Phosphonates (NI-424)
  12. Analysis of Pyrophosphate and Tripolyphosphate
  13. Anion Standards (15) (Comparison of NI-424 and I-524A)
  14. Anion Standards (16) (NI-424: Phthalic Acid aq. Eluent)
  15. Anion Standards (17) (Hydrophobic Inorganic Ions)
  16. Anion Standards (18) (NI-424)