Evidence stacks up for poisonous books containing toxic dyes
The researchers speculate that the dyes used to color the books contain other lead-based pigments that lack chromium, such as ...
来自MSN3 个月
Why old books can literally be poisonous
The research team suspects that the dyes used to color the books contain other lead-based pigments that lack chromium, such as lead(II) oxide or lead(II) sulfide. Now they are working to identify ...