Sorry, but I'm just really curious now .....

On the use of the gold mask. Is there some sort of alchemy that exists that makes a mask that is Gold safer than a mask made of another material? How does a Gold mask offer more protection? What does Gold do when it encounters mercury vapor?

If I'm reading this correctly, Hesham feels that the mercury vapor will not penetrate a Gold mask but could penetrate a plastic (or some other material) mask?

I'm not trying to nitpick here. I was very interested in this after seeing SoSick's question and now after seeing Hesham's response, I'm more curious.

Thanks!

SomedaySoon (Sharon)