Proceedings of the Indonesian Chemical Society (PICS) is one of the scientific proceedings published under Indonesian Chemical Society (ICS or Himpunan Kimia Indonesia, HKI) with the single-blind peer review process. PICS publishes selected papers from the conferences or symposium in Chemistry and related science, such as the International Conference of the Indonesian Chemical Society (ICICS) which annually held by the HKI. PICS publish three issues (numbers) annually (February, June, October) in English.