tesen 71EN 71-3 specifies requirements and test methods for the mration of aluminium, antimony, arsenic, barium, boron, cadmium, chromium (III), chromium (VI), cobalt, copper, lead,EN 71-3 specifies requirements and test methods for the mration of aluminium, antimony, arsenic, barium, boron, cadmium, chromium (III), chromium (VI), cobalt, copper, lead,