Chemical products, particularly high-purity acids and salts in the nature of sulfuric acids, phosphoric acids, nitric acids and hydrochloric acids, magnesium salts and calcium salts for irrigation with a view to fertilization and for production of perfectly-soluble fertilizers

Chemical products, particularly high-purity acids and salts in the nature of sulfuric acids, phosphoric acids, nitric acids and hydrochloric acids, magnesium salts and calcium salts for irrigation with a view to fertilization and for production of perfectly-soluble fertilizers