During hearing of a court case, the judge suspected that some changes in the documents had been carried out. He asked the forensic department to check the ink used at two different places. According to you which technique can give the best results?

Question

During hearing of a court case, the judge suspected that some changes in the documents had been carried out. He asked the forensic department to check the ink used at two different places. According to you which technique can give the best results?

Philoid · Accepted Answer

Thin layer chromatography is a technique used to separate the various colourful components of ink by dipping the paper in a solvent such that the ink does not get wet. The paper slowly absorbs the solvent, as the solvent moves upwards it separates the components of ink depending on the affinity of component towards the stationary phase and mobile phase(solvent)