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Table 2 The results of micro-Raman analysis

From: Characterization of the microstructural features and the rust layers of an archaeological iron sword in the Egyptian Museum in Cairo (380–500 A.D.)

Analysis area The layer Raman peaks cm-1 Phase References
Gray corrosion phase TM 388, 299, 549, 646 Goethite [43,44,45]
Light yellow corrosion DPL 666, 300 Magnetite [20, 35, 40,41,42]
Light marbling corrosion DPL 720, 319, 400, 720, 664 Akaganeite, Maghemite [43, 44]
Orange corrosion zone DPL 398, 139, 209, 338, 1312 Lepidocrocite [44]