- Sulfate Ion in Enoxaparin Sodium (NI-424)
- Analysis of Chloride According to the Japanese Testing Methods for Fertilizers (NI-424)
- Analysis of Sulfamic Acid and Ammonium Thiocyanate According to Testing Methods for Fertilizers (2016) (NI-424)
- Anions and Organic Acids (NI-424)
- Calibration Curves for Low Concentration F –
- Carbonate and Other Anions (2) (NI-424)
- Phosphonates (NI-424)
- Analysis of Pyrophosphate and Tripolyphosphate
- Tap Water (7) (NI-424)
- River Water (3) (NI-424)