Fig. 5From: The synthesis characterization of historical novel azo pigments: implications for conservation scienceRaman spectrum of arylide yellow PY203. Peak positions (cm−1): 1673, 1608 (s), 1544 (m), 1523 (m), 1498, 1486, 1459, 1435, 1387 (vs), 1335 (m), 1319 (m), 1304 (m), 1251, 1223, 1183, 1163, 1140, 1117, 1070, 1045, 1026, 953 (m), 916 (m), 846, 822, 791, 762, 728 (m), 686, 623, 588, 574, 525, 509, 496, 469, 457, 431, 402Back to article page