(PP) cloth and woven cotton, silk, and polyester cloth were procured
locally. Aniline and ammonium persulfate (APS) were from RANKEM India.
Hydrochloric acid was from Sigma Aldrich. Ethanol, lithium chloride
(LiCl), magnesium chloride (MgCl2), potassium carbonate
(K2CO3), magnesium nitrate (MgNO3), sodium bromide (NaBr), sodium chloride (NaCl), and potassium chloride
(KCl) were from Alfa Aesar. Millipore-produced deionized water (∼18
MΩ) was used throughout the experiment, and all of the chemicals
were used as received without further purification unless mentioned
otherwise.