Phosphorus; calcined soda; phosphoric acid; sulphuric acid; hexafluorosilicic acid; paraformaldehyde; trioxymethylene; salts of alkaline metals; nitrates; phosphatides; sodium salts [chemical preparations]; calcium salts; pentaerythritol; PVC resins; compost; salts [fertilisers]; nitrogenous fertilisers; superphosphates [fertilisers]; phosphates [fertilisers]; industrial chemicals