Appearance:light yellow or light brown viscous liquid Food additive phytic acid shall conform to the following requirements: Sheet 1 Sense repuirements Item Requirement Test method Colour Colourless or Faint yellow Take some sample and put them into clean ,dry glasses;observe the colour and state under nature light. State Viscous liquid Physics and chemistry index should comply with the sheet 2. Sheet 2 Physics and chemistry index Project Index Phytic acid(C6H18O24P6)Content % â?¥70 Inorganic phosphorus (P) % â?¤0.02 Chloride (Cl)% â?¤0.02 Sulfate (toS04Meter)% â?¤0.02 Calcium salt (Ca)% â?¤0.02 Arsenic (As)mg/kg 3 Heavy metal (Pb)mg/kg 1 antioxidant, preservative, color protecting agent, water softener, fermentation accelerant, fruits and aquatic products preservation, metal processing agent.