The organization cited a change in its formula due to recent European Union regulations banning the use of chromium trioxide, a chemical previously used to protect against rust. “That ...
La Lettre, a French industry newspaper, said the mint had been caught out by a change in EU regulation that banned chromium trioxide, which it used in its varnishes. Chromium trioxide is a toxic ...
The varnishes were switched as the old one reportedly contained chromium trioxide – a powerful oxidiser that happens to be a carcinogen. The majority of the significantly weathered medals seem ...