From: Deep eutectic solvents: green solvents for the removal of degraded gelatin on cellulose nitrate cinematographic films
DES abbreviation
HBA
HBD
Added distilled water content (%wt)
ChCl:EG
Choline Chloride (ChCl)
Ethylene Glycol (EG)
0%
B:EG
Betaine (B)
10%
B:U
Urea (U)
30%