2011NF A91-473:2011 Metallic and other inorganic coatings - Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys - Test methods.
0000 NF A91-473:2001
1995NF A91-473:1995 CHROMATE CONVERSION COATINGS ON ZINC AND CADMIUM. TEST METHODS. (EUROPEAN STANDARD EN ISO 3613).