List of Articles Spectroscopic investigation Introduction Open Access Article Abstract Page Full-Text 1 - Comparative Studies between Conventional Techniques and Green Chemistry to Synthesis of Novel Piperidinium Salts Ionic Liquids (PBSILs) Shakir M. Saied Salim J. Mohammed Bassam T. Khaleel Mohanad Saleh 10.22034/jchr.2021.686640