Subject Index 351
Humidity 25, 67, 80, 89, 116, 118,
132, 134, 158, 173, 225, 242,
248, 260, 263
conditions 29
control 133, 263
enhanced 245, 248
environment, low 110
extremes 67
high 29, 67, 111, 256
levels 145, 306
moderate 72
oscillates 29
Hydration 233, 243–246
cycles 244
Hydrocarbons 233
polycyclic aromatic 233
Hydrocelluloses 69
Hydrochloric 302
Hydrogen 47, 110, 154, 155, 188, 246
atoms 33, 203
Hydrogen Bond 33, 75, 80, 104
disrupting inter-chain 67
Hydrogen
bonding 33–35, 68, 75, 81, 97,
189, 298
bubbles 47
gas 151
peroxide 46, 69, 77
aqueous solution 46
solutions 46
stabilised 46
reduction 154, 155
conservation process 154
sulfide 46, 315
treatment 158
Hydrolase enzymes 283
Hydrolysable 95, 101
type 107
Hydrolyse 300
Hydrolysis 52, 67, 80, 81, 89, 100,
102, 113, 158, 190, 202, 205
acid promoted 68
acid-catalysed 39, 40
acid-promoted 71
inhibitor stops 158
of peptide bonds 81, 89
reactions 40
Hydrolytic attack 114
Hydrophobic 36, 44
Hydrophobicity 68
Hydrosilicates 180
Hydroxides 43, 134, 135, 145,
154, 313
ammonium 140
cuprammonium 53
lithium 145
Hydroxyl groups 33, 36, 37, 103, 104,
175, 189, 190, 202
adjacent 68
phenolic 102
Hydroxyproline 96, 115
Hygroscopic 43, 145, 166, 256
Hygroscopicity
increased 290
increasing 303
Hyphae 225, 278, 280
filamentous 225
Hypochlorite 45, 46
Hysteresis 38Igneous 213, 215
Illuminants 49
Imidazole 117
Imino acid 97
residue constituents 96
Immersion 43, 44, 53, 77, 105, 139,
144, 183, 287
Impregnation 259
vacuum 183
Improvements 107, 109, 118,
128, 180
Impurities 47, 127, 129, 132, 189
residual 197
Incrustation 25, 26, 225
heavy calcareous 26
Inert 43, 72, 134, 303
Infilling 116, 231
Infrared light 15, 197
Infrared-transparent potassium
bromide 54