... GOOD QUALITY 3. 14%, 99% 4. NATURAL,SAFE,STABLE 5. FOOD GRADE. content: 99% minDetection Method: UVThe main component: Copper ... in alcohol and chloroform 3) Water solution: transparent jade green, without sedimentApplication:As a type of medical material, it can treat ... , fastening healing of stomach ulcers and intestine ulcers.As a food pigment, it is widely used in cakes, beverages, sweets, ...