| 1 |
perborate of soda |
| 1 |
percarbonates |
| 1 |
perchlorates |
| 1 |
perchloric acid |
| 1 |
perchloroethylene |
| 1 |
perfluorinated chemical compounds prepared synthetically for use in manufacture |
| 1 |
persulfates |
| 1 |
persulfuric acid |
| 1 |
persulphates |
| 1 |
persulphuric acid |
| 1 |
petroleum cracking catalysts |
| 1 |
petroleum dispersants |
| 1 |
petroleum sulfonic acid |
| 1 |
phenanthrene |
| 1 |
phenol for industrial purposes |
| 1 |
phenol for industrial use |
| 1 |
phenol-formaldehyde resins |
| 1 |
phenolic resins, unprocessed |
| 1 |
phenothiazine for use in the manufacture of pharmaceuticals |
| 1 |
phenylacetamide |
| 1 |
phenylacetic acid |
| 1 |
phenylenediamine |
| 1 |
pheromones, other than for medical purposes |
| 1 |
phosgene |
| 1 |
phosphate fertilisers |
| 1 |
phosphate fertilizers |
| 1 |
phosphates |
| 1 |
phosphates [fertilisers] |
| 1 |
phosphates [fertilizers] |
| 1 |
phosphates for potable water treatment |
| 1 |
phosphates for water treatment |
| 1 |
phosphatides |
| 1 |
phosphine |
| 1 |
phosphoproteins |
| 1 |
phosphoric acid |
| 1 |
phosphoric anhydride |
| 1 |
phosphorus |
| 1 |
phosphorus chloride |
| 1 |
phosphorus sulfide |
| 1 |
phosphorus sulphide |
| 1 |
photocatalysts |
| 1 |
photographic chemicals |
| 1 |
photographic developers |
| 1 |
photographic dry plates |
| 1 |
photographic emulsions |
| 1 |
photographic fixers |
| 1 |
photographic paper |
| 1 |
photographic sensitisers |
| 1 |
photographic sensitizers |
| 1 |
photometric paper |
