Page 523 - Copper and Bronze in Art: Corrosion, Colorants, Getty Museum Conservation, By David Scott

mirrors natron, in chalconatronite oleic acid, reaction of copper
Chinese bronze, 214 p, 215 p, synthesis, 118 -19 with, 293
216 ρ, 339-4 9 N B S . See National Bureau of ore, copper, malachite as, 104
Greek box, 22 f, 23-24,17 2 p Standards organic materials, copper in
misy, 147 Nefertari, Queen, tomb of, Egyp­ contact with, 72-77 ,
Moche face mask, sampleite in, tian green in, 02 p, 263 74f-75f, 174 ρ
2
199 p, 245 neodymium laser, 362 Oriental lacquer, 77
Mogao grottoes (China), cave 328 Neolithic cultures, 4 oriental turquoise, 247
of, 186 ρ neopentyl (diallyl) oxy tri (dioctyl) original surfaces, 52, 8 0 n i 6
botallackite in, 134,187 pyro-phosphate titanate Ormocer coatings, 387- 88, 390
4
moisture, in burial environment, 0 (Lica 38), 3 8 9 - 9 0 Osiris, figurine of, chalconatronite
molds, in indoor environment, 63 Neptune fountain (Italy), bronze in, 117
Monastral blue, 315 group of, black varnish on, outdoor environment, 43-5 9
monument(s) 159 air pollution in, 43 - 47
patinas on, 55 Nessus and Dejanira assessment of corrosivity of, 58
studies of, 55 (Giambologna) coatings in, 382-9 1
Monument to Sir George Etienne coating on, 332 copper phosphate corrosion
Cartier (Hébert), 191 ρ patina on, 332 in, 243
ammonium copper sulfate provenance of, 351 i5 copper sulfide formation in, 232
n
hydrate on, 158 Neuchâtel, Switzerland, patinas indoor bronze in, 375-76
posnjakite on, 153,190 found near, 230-31 , 231 f mechanical cleaning in, 360
moolooite, 158, 305 niello, 235-3 9 monuments in, 55
mordant dyeing processes, 74 chemistry of, 238-3 9 patinas in
mountain blue, 115,121 ni 4 decorative uses of, 224, 235, 236, composition of, 48-52 ,
mud marine zone, 661, 67 238-3 9 50t-51t , 55-57
museums. See indoor environment identification of, 238 copper sulfates in, 147
Music in the Tuileries Gardens recipes for, 236-3 7 cuprite, 87
(Manet), Scheele's green synthesis of, 224, 235, 236-3 7 repatination after cleaning,
in, 310 nikomi-chakushoku, 90 374-75, 396 n 2
Mystic Lamb (Eyck), resínate nitric acid, modern atmospheric thickness profiles of, 54
in, 296 concentrations of, 441 rates of corrosion in, 52-5 4
mythology, copper in, 3 - 4 nitrocellulose lacquers, 383 - 84 regional differences in, 43 - 45,
nitrogen dioxide 52-54 , 531
4
Ν atmospheric concentrations of studies on corrosion in, 7- 48
namuwite conversion factors for, 441 Ovoid Lekythos, Egyptian blue in,
as corrosion product, 153-54, modern, 441, 45 2 0 i p , 259-60 , 2 6 0 f
234, 234f-35 f and corrosion rates, 46, 46 f, oxalic acid, modern atmospheric
formation of, 234 47, 57 concentrations of, 441
properties of, 233-3 4 nitrogen oxides oxidation-reduction power (Eh),
X-ray diffraction data for, 4271 atmospheric concentrations 79 n 2
nantokite, 123 of, 46 oxides, 81-98 . See also specific
and bronze disease, 125-2 8 and corrosion rates types
Pourbaix diagrams for, 130 f, indoor, i, 62 oxygen
6
135 f outdoor, 47 isotope ratios of, 107
properties of, 123,1231 nondestructive testing, 392-9 5 in marine environment, 67, 70
significance of, 131 North America in soil, 38
thermodynamic data for, 1361 copper use in, 5 oxygen-free environments, 391
in verdigris synthesis, 281 turquoise in, 249 ozone, atmospheric
Naskapi Indian artifacts, copper concentrations of
salts of higher acids in, 298 O conversion factors for, 441
National Bureau of Standards occidental turquoise, 247 modern, 441, 4 6 - 4 7
( N B S ) , on burial corrosion ocean. See also marine environment and corrosion products, 1561,
rates, 35-36 , 361 deep zone of, 661, 67 157 f
6
National Museum of the American Oddy tests, i and corrosion rates
Indian, 356, 396 4 oils, and outdoor patinas, 48 - 49 indoor, 6 i
n
native copper, f Outdoor, 46, 46 f, 47, 57, 154
2
properties of, -3, 3 f with sulfur dioxide, 47, 155, 155 f,
2
1561, 157 f
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