Section 06 Products of the chemical or allied industries 28 Inorganic chemicals; organic or inorganic compounds of precious metals, of rare - earth metals, of radioactive elements or isotopes 28 35 Phosphinates, phosphonates, phosphates and polyphosphates 28 35 31 Sodium triphosphate (sodium tripolyphosphate) 28 35 31 00 Sodium triphosphate (sodium tripolyphosphate) Commodity Code Description 28 35 31 00 000 Sodium triphosphate (sodium tripolyphosphate)
