| 283510 | 283510 - Phosphinates (hypophosphites) and phosphonates (phosphites), |
| 283521 | 283521 - Triammonium phosphate |
| 283522 | 283522 - Phosphates; of mono- or disodium, whether or not chemically d |
| 283523 | 283523 - -- Of trisodium |
| 283524 | 283524 - Phosphates; of potassium, whether or not chemically defined |
| 283525 | 283525 - Phosphates; calcium hydrogenorthophosphate (dicalcium phospha |
| 283526 | 283526 - Phosphates; of calcium n.e.c. in item no. 2835.25, whether or |
| 283529 | 283529 - Phosphates; (other than of mono- or disodium, other than of p |
| 283531 | 283531 - Polyphosphates; sodium triphosphate (sodium tripolyphosphate) |
| 283539 | 283539 - Polyphosphates; other than sodium triphosphate (sodium tripol |