Ink dating

31-Aug-2017 00:59

And just how big are the particles in those compounds?On average, particles range in size from as large as 100 nanometers to as small as 1 micrometer To discover what particles end up in the lymph nodes of tattooed individuals, researchers focused on the nodes of four tattooed cadavers and one non-tattooed control.Differing from B.7 by the addition of the words MADE IN ENGLAND, this mark was commonly in use after 1932.However, the exact date of introduction is not known.

This mark is still used on fine earthenware products such as Character Jugs.

But what is it, exactly, that the lymph nodes are filtering out?