... Pyrophosphate We can supply different ROR goods. SAPP - Sodium Acid PyrophosphateWe can supply differnent kinds of ROR, such as ... ROR10,15,18,20,25,30,34,40 etc. All of specification could reach to Budenheim.SODIUM ACID PYROPHOSPHATE1.Chemical Name: Disodium ... maxHeavy Metal(As Pb)10ppm maxAs3ppm max7.Packing: 25kg Bag sodium acid pyrophosphate