Top topic this week
Questions asked by users might not always be phrased in the clearest way.
A suitable solvent system for TLC of iminodisuccinic acid would likely be a mixture of a polar solvent like water or methanol and a less polar solvent like ethyl acetate or acetone. The exact ratio would need to be adjusted based on the desired Rf values. A good starting point might be 50:50 water:acetone.