Subheading 2835.31 · Section VI
2835.31
Polyphosphates; sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined
28 Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes
2835 Phosphinates (hypophosphites), phosphonates (phosphites), and phosphates; and polyphosphates, whether or not chemically defined
2835.31 Sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined
Other subheadings under 2835