1. RO Membrane Division, CSIR-Central Salt & Marine Chemicals Research Institute, Council of Scientific & Industrial Research, Gijubhai Badheka Marg; Bhavnagar 364002 Gujarat India
2. Analytical Division & Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, Council of Scientific & Industrial Research, Gijubhai Badheka Marg; Bhavnagar 364002 Gujarat India