Page 522 - Copper and Bronze in Art: Corrosion, Colorants, Getty Museum Conservation, By David Scott

Levant mines (England), botallack­ nomenclature confusion seawater in
ite in, 138, 188 ρ regarding, 104 -105 components of, 64
Leyden Papyrus manuscript, niello in patinas, 106 -107 oxygen in, 67, 70
recipes in, 236 artificial, 333, 344 pH of, 64, 68
libethenite banding of, 86 -87,106-107 , pollution in, 67
as corrosion product, 240, 243 178 ρ salinity of, 64
properties of, i97p , 240, 241, cuprite transition to, 106 stability diagrams for, 68, 69 f
2421 in marine environments, stabilization after, 370-7 3
stability of, 242 f 68, 69 f sulfide formation in, 227-31
thermodynamic data for, 1361 in outdoor environments, wood-metal artifacts in, 71-72
libraries. See indoor environment 48, 50 zones of, 661, 67
Libro Secondo de Diver si Colorie as pigment, 106 Mayan blue, 109,121 ns
Sise da Metiere a Oro alteration products of, 265 mechanical cleaning, 357-62
(Simone manuscript), history of, 6, 100,10 6 and evidence preservation,
I
2 8 2 - 8 3 with posnjakite, 66 357-58
Lica 38, 3 8 9 - 9 0 transition to synthetics from, modern techniques of, 358 - 62
Liesegang phenomena, 86-87 , 178 ρ 6,113 -14 problems with, 357-58, 3 5 9 - 6 0
likasite, properties of, 250, 251t Pourbaix diagrams for, 135 f Medea Rejuvenating Aeson
n
Littledale process, 121 i2, 254 properties of, 100,102,102 1 , (Boizot), 171 ρ
Lucca manuscript 105-106 , 183 p, 184 ρ plating on, 21,170
copper plating recipe in, s -19 recipe for, 405 - 406 melaconite. See tenorite
i
verdigris recipe in, 284 - 85 scarcity of, 6 melanteria, 147
ludjibaite, properties of, 241, 2421 stability-field diagrams for, 4of melanterite, 147
i
Lui Sheng, tomb of, patinas in, 348 thermodynamic data for, 1361 mercury
lusterware, copper, 93 Mappae clavicula manuscript in patinas, 345 - 46
8
Luttrell Psalter manuscript, azurite on azure, 286 plating with, 22, 0 ne
in, 109 on Byzantine green, 283 Mercury (Vittoria), 211p
on calcium copper acetate hexa- patina on, 211p, 331-32
M hydrate, 411-12 mercury salts, in patination
MacDonald, John Α., statue of, on copper plating of iron, 19 solutions, 22
libethenite on, 243 on copper sulfide, 225 Mesopotamian mythology, 4
Macedón (ship) on niello, 237 metal(s), corrosivity of, assessment
connellite in, 139 on Rouen green, 283, 412 of, 58-5 9
conservation methods at, 370 urine in recipes of, 284 metallography, 77-78,175 p
Madame de Pompadour (Boucher), on verdigris, 274, 282-84 , 411- metavoltine, 147
blue verditer in, 114 13, 4421 methylene dichloride, 383
mafek, 103 Marathon, ephebe of, 351 9 microbially influenced corrosion
n
malachite, 102 -107 black patina on, 328 ( M I C ) , 11, 65 - 67
artificial. See green verditer Marcus Aurelius, equestrian microenvironments, copper
as copper ore, 104 monument of sulfates in, 158-5 9
as corrosion product, 100,102 , antlerite on, 149 Middle East
105-10 6 copper oxalates on, 305 turquoise in, 248 - 49
crystal forms for, 100,10 1 f, infrared imaging of, 394-9 5 verdigris recipes from, 291-9 3
183 p, 184 ρ thickness of, 394-9 5 Min-Amun, bronze head of, X-ray
decomposition by heat, 113 ultrasonic scanning of, 394 diffraction data for,
decorative uses of, 103 104 marine environment, 64-7 2 301, 446 1
-
deposits of, 102 atacamite formation in, 112 mineralization, 72-7 7
formation of biological factors in, 65 - 67, of cellulose, 73, 74-7 6
from azurite, 10 8,111 74-75 , 174 ρ definition of, 72
in burial environments, burial, 112 -13 mechanism of, 72-7 3
112-13, 164-6 5 conservation treatment after, of proteins, 73, 76-7 7
in marine environments, 71-72, 356, 369-73 rates of, 73
112-13 malachite formation in, 68, 69 f, Miniature Portrait Bust of a
in solution, 111-13 112-13 Woman, iif, iiif, 219 ρ
georgeite as isomer of, 100,10 2 rates of corrosion in, 67-71 mechanical cleaning of, 219 p,
isotope ratios and, 107 rates of corrosion near, 53, 359
natural, 102,18i p 531, 54

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