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INDIGO
FROM KNOTGRASS
Polygonum tinctorium
Ait.
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Process of obtention of the extract
| Raw material : |
fresh plant |
| Process: |
Steeping of fresh plants, filtration,
precipitation ; drying, crushing |
Description of the product
| Texture : |
powder |
| Odour : |
leather |
Physical and chemical caracteristics
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© Delachaux & Niestlé
- Paris
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| Drying rest : |
none |
| Wet : |
< 12 % |
| Laser granulometry : |
D(v,0.5) : < 200µm |
| pH (solution at 0.1 % m/v in
H2O at 25 °C) : |
- |
| Solubility: |
H2O
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H2O/EtOH (50/50)
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EtOH
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Insoluble
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Insoluble
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Very weak
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Technical Data Sheet
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| Code : - |
Edition
: 11/03/02
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| Index : 0 |
Document
PC.073/A
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This information does not constitute a specification.
It is given in good faith
without guarantee or liability. We are at your disposal for any further technical
details.
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