AVA Chemicals [P] Ltd. Offers Tetra Ammonium Salt of Ethylene Diamine Tetra Acetic Acid. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company. Tetra Ammonium Salt of Ethylene Diamine Tetra Acetic Acid is a Straw Yellow colored Liquid. The pH of this chemical is 9.0 to 9.8 while the specific Gravity is 1.16 to 1.19.
