Pabrik-pabrik kimia yang menggunakan proses Solvay kini memproduksi sekitar tiga per empat persediaan ini, sementara sisanya ditambang dari kandungan alami.
Commission Regulation (EC) No #/# of # September # fixing Community producer and import prices for carnations and roses with a view to the application of the arrangements governing imports of certain floricultural products originating in Cyprus, Israel, Jordan, Morocco and the West Bank and the Gaza StripWikiMatrix WikiMatrix