Name of materials | Trade Name | Company | Origin |
Prawn shell | Chitosan | Hatchery of Satkhira District, Khulna | Bangladesh |
Banana fiber | Banana fiber | Local banana source | Bangladesh |
Sodium hydroxide | Caustic Soda | Loba Chemie Pvt. Ltd., 107, Mumbai | India |
Acid | Hydrochloric acid | Merck KGaA, 64271 Damstadt | Germany |
Acetic Acid | E. Merck, D-6100 Damstadt | Germany | |
Sulphuric Acid | Merck KGaA, 64271 Damstadt | Germany | |
Nitric Acid | Merck KGaA, 64271 Damstadt | Germany | |
Oxidizing agent | Potassium dichromate | Loba Chemie Pvt. Ltd., 107, Mumbai | India |
Water | Distilled Water | Laboratory | Bangladesh |