... solution ,which is made from iodine, sulfuric acid and phosphoric acid, Iodine and Acid Mixed Solution This product is one kind of ... watery solution ,which is made from iodine, sulfuric acid and phosphoric acid, it contains iodine 2.75%--2.8% (g ... /g), the content of acid should be 28.0--29.5% (g/g ) . ... immediately. Storage: Airtight, protected from light. Iodine and Acid Mixed Solution