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Sample ID:
PK38200
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Origin:
Vegetable
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Chemical Information:
Brown dye obtained from the heartwood of the cutch tree (Acacia catechu)
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Sample Type:
Reference material
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Description:
Powder sample (0-120 µ)
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History of use:
Since antiquity
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Sample Source:
Kremer Pigments
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Alternative names:
C.I. Natural Brown 3, NBr3, Cutch, Black Catechu, Cashoo, Japan Earth
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Material Class:
Natural organic dyes and pigments
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Acquisition Conditions:
Attenuated Total Reflectance (ATR) mode
Resolution: 4 cm-1 Scans: 128 Range: 4000-380 cm-1 |
