Rosin is residue from distillation process pine gum, extraction pine stump wood. It was get by product pulp industry form rosin tall oil. Rosin is a complex mixture of mainly resin acids and a small amount of nonacidic component. it can be reacted with metal hydroxide namely calcium hydroxide, zinc hydroxide, aluminium hydroxide and sodium hydroxide.
Jurnal Kimia dan Kemasan (JKK) publishes original research article related to Applied chemistry including natural product (essential oils, palm oil derivative, natural dye), biopolymer, chemical synthesis, and problems of chemical processes and apparatus; and also packaging material and ...