Pure Tinctoria Extracts
On the left are the exposure strips that have been hanging
in my window in as full sun as they'll get in a British winter, shown
after 5 weeks. The dyed strips were painted with 17 Pure Tinctoria extracts.
There are two pairs. The right hand pair was mordanted
in alum and cream of tartar. The left hand pair was mordanted in alum
alone. On the left of each pair is the exposure strip and on the right
is the control, kept in the dark.
There is actually only a small amount of fade so far,
visible in the blotching and lightening of the sanderswood (3rd up from
base) as well as the golden dock just below it and the rhubarb root at
the bottom. I can't say there is an appreciable difference in the effects
of mordanting at this stage.
They are back up in the window for another dose of Globally
Warmed Britain and I will check again in another month or so.
Identification
of dyes from top: weld; strong madder; normal madder; logwood; myrolaban;
purple lac; kamala; oak gall; dhak; madder; annatto; cutch; red lac; pomegranate;
sanderswood; golden dock; rhubarb root |
