YS-50
- Higher performance type of YK-421
- Applicable to both analyses with suppressor and non suppressor methods
- Peak shape is sharper, especially for divalent cation analysis
- Supports the analysis of alkylamines and transition metals

YK-421
- Columns for cation analysis with non suppressor method
- Simultaneous analysis of monovalent and divalent cations
- Suitable for separation of alkylamines

Y-521
- Columns for cation analysis with non suppressor method
- For the separation of monovalent or divalent cations

T-521
- T-521 are applicable for the analysis of transition metals
- High sensitivity analysis is developed by the post column colour reaction method