Madder Pigment Making
Columbia Conservation Lab, Spring 2015
Recipes from
Natural Colorants for Dyeing and Lake Pigments: Practical Recipes and Their Historical Sources
by Jo Kirby
Traveling Scriptorium
, Yale University Library
Original Recipe:
Ingredients:
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2g coarsely ground madder root
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Polyester netting bag (or cheesecloth or something similar)
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60 ml water
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1g potash alum
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0.4g potash
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40 ml water
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Water to wash
Field Notes:
Name:
Workshop and Naomi Rosenkranz
Location:
Laboratory - Chandler 260
Sample A
2015.09.28, 6:28pm
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5 times original recipe:
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10g coarsely ground madder root
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300 ml water
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5g potash alum
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2g potash
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200 ml water
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Roots ground and enclosed in cheesecloth. Left to soak in 300ml water overnight
2015.09.29
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Filtered, boiled, potash alum added
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Observations:
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Darker, more opaque, more brown
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Appears murky, almost as if it is made up of many solid precipitates
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Potash added
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Observations:
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Effervescence
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Lighter in color
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Left to settle overnight
2015.09.30
2015.10.02
2015.10.05
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Pigment ground and ready for use
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Final yield:
Sample B
2015.10.05
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2 times original recipe
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Final yield: 0.03g
Sample C
2015.10.05
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10 times original recipe
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Beaker shattered
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Final yield: 0g
Sample D
2015.10.05
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10 times original recipe
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Final yield: 3.8g
Further Notes on Sample D