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Sample ID:
PK37300
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Origin:
Vegetable (Juglans regia/Juglans nigra)
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Chemical Information:
outer shells of walnuts from the walnut trees of Juglans regia as well as those of Juglans nigra
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Sample Type:
Reference material
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Description:
Dried pieces
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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 7, NBr7, Walnut husks
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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 |
