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015 Logwood_sawdust_1
• Central America
• Produces purple tones
• Dyestuff: Heartwood (wood chips, granules, powder)
Procedure notes:
• Mordant is required.
• Wood chips – use ½ weight of dyestuff to fibre. Granules or power – use 1/10 (tenth) of the dyestuff to fibre.
• Woodchips – pour enough boiling water to make a dye bath the leave to soak overnight. Pour off liquid and use for first dye bath. Simmer fibres 1 hour then remove from heat and let soak in liquid overnight. If colour is too pale simmer wood chips additional 20 minutes to extract more dye, then add to original dye bath solution and re-dye fibres.
• Woodchips can be dried and reused
• Alum mordant will produce a nice purple tone
• Copper or iron mordant improves colourfastness. Iron will sadden the purple; copper will brighten it to a bluer hue.
Dye Date: November 20 /2005
Source: Louet Sales / Shuttleworks
Quantity Used: 8 grams
Yarn / Fibre Used: 100% (handspun) breed unspecified.
Supplier: Local Alberta Wool Producer – Raw Fleece – washed, carded and spun by J. Dixon
Proportion of Dyestuff to Fibre: 1: 2
Mordants Used: Alum, Iron
Mordant process used: (see Section A)
Water source: City of Calgary tap water
Lightfast: Not tested
Washfast: Low to moderate colour lost on first was with Palmolive DW soap.
Judi’s Notes: 8 cups boiling water poured over 8 grams of dye stuff. Left to soak for one week (7 days). Woodchips were then strained out, and wet fibres were added to dye stock. Dye stock brought to simmer for 30 minutes only, as fibres looked quite saturated with colour. Remaining diestock saved for future experimentation, and woodchips re-dried.
