... soda two kinds: pure white solid caustic soda, caustic soda flakes loaded with blocks, rod-like caustic soda, granular caustic ... higher fatty acids, usually oil and caustic soda, caustic soda, sodium hydroxide as raw materials made through the saponification reaction. (2 ... (lignin, gums, etc.). Add dilute caustic soda, caustic soda, sodium hydroxide solution can be dissolved in the separation of non ...