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Sample ID:
LP014
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Origin:
Vegetal; Rubia tinctorum
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Chemical Information:
Lake pigment made from the roots of the madder plant
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Sample Type:
Reference material
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Description:
Powder sample
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History of use:
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Sample Source:
London Pigment
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Alternative names:
Madder Lake, Alizarin Red, Purpurin
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Material Class:
Natural organic dyes and pigments
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Acquisition Conditions:
Current intensity: 10.60 µA
Tube voltage: 40 kV Analysis time: 300 s No filtering, air atmosphere |
