August 14, 2018
Anyone’s Guess: How Old is Codex Sinaiticus Really?
The Codex Sinaiticus inks have never been chemically characterized, and the type and proportions of ingredients mixed together have never been determined.
Therefore, the composition of the writing media can only be roughly guessed by observing their visible characteristics and their degradation patterns.
No significant degradation process seems to affect the writing media.
Report on the different inks used in Codex Sinaiticus and assessment of their condition by Sara Mazzarino