ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] During the Middle Ages and the Renaissance, ink was commonly manufactured by mixing tannin with iron sulphates. The anoxic environment inside ancient books favours the reduction of the sulphate in the ink and allows spherical aggregates (framboids) of submicrometre-sized pyrite crystals (iron ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/388631a0