Fig. 6
From: Possible modifications of parchment during ion beam analysis
Transmitted-light photograph of a parchment sample which underwent a short bath [5 min] in 3% H2O2 solution. Accumulated charge: 2, 3 (upper left and right spots), 4 and 5 (lower left and right spots) µC/cm2, current 1 nA). The photo was taken after drying
