## 3 Results
### Commercial Sprays
The elements with less than 1% were not included. The elements were ordered by taking into account their relative presence. Figure 4: Raman spectra of the commercial sprays of the Decor brand. \begin{table}
\begin{tabular}{c c c c} \hline \hline
**Brand** & **Pigment** & **Composition** & **Raman Bands** \\ \hline \multirow{8}{*}{Titan} & \multirow{3}{*}{Orange (554)} & \multirow{3}{*}{Pyrazoloquinazolone (PO67)} & 121, 226, 407, 546, 627, 652, 666, 738, 1012s, 1117, 1154, \\  & & 1166, 1216, 1256 s, 1274, 1298, 1322, 1340, 1374, 1413, \\  & & 1532, 1558 s, 1577, 1603 s cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{White (566)} & Titanium oxide (Rutile) & 143, 234, 449 s, 612 s cm\({}^{-1}\) \\ \cline{2-3}  & & Alkyd binder binder & 1044, 1168, 1302, 1447, 1582, 1602, 1725 cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{Yellow (529)} & \multirow{3}{*}{Darylide (PY13)} & 620, 656, 1146, 1259 s, 1288 s, 1401 s, 1450, 1493, 1526, \\  & & & 1600 vs cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{Yellow (529)} & Alkyd binder, most likely & 1004,1044, 1166, 1727 cm\({}^{-1}\) \\  & & CHS-Alkyd S 471 & & \\ \hline \multirow{8}{*}{Vivid Red (RV-3001)} & \multirow{3}{*}{NaphthdS (PR170)} & 112, 193, 208, 267, 292, 335, 364, 423, 478, 494, 511, 539, \\  & & 574, 611, 732 s, 778, 808, 866, 963 s, 1013, 1043, 1117, 1141, \\  & & 1167 s, 1208, 1245, 1288 s, 1334, 1364 s, 1386, 1423, 1454, \\  & & 1489, 1513 s, 1552, 1606 vs cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{Alikyd binder, most likely  CHS-Alkyd S 471} & 1002, 1043, 1725 cm\({}^{-1}\) \\ \cline{2-3}  & & 175, 234, 258, 484, 681 s,748 s, 782, 833, 849, 955, 1110, \\  & & 1145, 1196, 1218, 1309, 1344 s, 1453, 1530 vs, 1602 cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{Artic Blue (RV-29)} & Titanium oxide (Rutile) & 142, 234, 447 s, 610 s cm\({}^{-1}\) \\ \cline{2-3}  & & Alkyd binder & 1008, 1042, 1731 cm\({}^{-1}\) \\ \cline{2-3}  & & 176, 235, 259, 483, 483, 595, 681 s, 719, 747, 832, 847, 954, \\  & & 1038, 1108, 1144, 1194, 1216, 1307, 1342 s, 1412, 1452 s, \\  & & 1470, 1483, 1529 vs, 1590 cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{Druid Brown (RV-246)} & Hematite & 226, 244, 292 s, 404 s, 484, 610 cm\({}^{-1}\) \\ \cline{2-3}  & & Goethite & 392, 549 cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{Alkyd binder, most likely  CHS-Alkyd S 471} & 652, 1004, 1040, 1578, 1601 cm\({}^{-1}\) \\ \cline{2-3}  & & 194, 234, 266, 598, 641, 684, 740, 775, 818, 951, 975, 1212, \\  & & 1261, 1282, 1292, 1337, 1504, 1537, 1590 cm\({}^{-1}\) \\ \hline \multirow{8}{*}{Medium Yellow (ZT107)} & \multirow{3}{*}{Acetoacetic arylide (PY74)} & 186, 329, 363, 406, 648, 803, 829, 923, 1068, 1090, 1161, \\  & & 1171, 1265, 1299, 1327, 1354, 1406, 1440, 1491, 1514, 1563, \\ \cline{2-3}  & & 1595, 1669 cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{Alkyd binder} & 726, 1043, 1727 cm\({}^{-1}\) \\ \cline{2-3}  & & Titanium white & 144, 233, 444 s, 611 s cm\({}^{-1}\) \\ \cline{2-3}  & & Alkyd binder, most likely  CHS-Alkyd S 471 & 1005, 1043, 1303, 1439, 1602, 1728 cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{May Green (ZT129)} & \multirow{3}{*}{Phthalocyanine (PG7)} & 148, 165, 198, 223, 266, 291, 333, 347, 546, 594, 643, 685 s, \\  & & 740 s, 776 s, 817, 956, 979, 1083, 1213 s, 1282 s, 1338 s, \\  & & 1388, 1445, 1538 vs. cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{Light Brown (ZT120)} & Hematite & 226, 246, 293, 411, 610, 1300 cm\({}^{-1}\) \\ \cline{2-3}  & & Goethite & 387, 549 cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{Alkyd binder, most likely  CHS-Alkyd S 471} & 1005, 1042, 1444, 1583, 1602, 1724 cm\({}^{-1}\) \\ \cline{2-3}  & & 1005, 1042, 1444, 1583, 1602, 1724 cm\({}^{-1}\) \\ \cline{2-3}  & \multirow{3}{*}{AtickRegarding the \"Decor\" sprays, the composition changed considerably. As was mentioned previously, titanium was not present as a major element in all of these sprays, and other ones appeared, most likely indicating the use of a different type of formulation than in the previous brands, and even between different colours.