Saturday, April 30, 2016

Saffron paint

One of the first pigment experiments I did was with saffron.  Didn't it turn out pretty?!

 Read on for my references and methods...

Tuesday, April 26, 2016

glair

In medieval painting glair was sometimes used as a binding media for pigment. I used the translation of the ”recommended” recipe from "an anonymous eleventh-century tract in Berne, called De clarea..." (Thompson 50).
Read on to see how I made some glair with a medieval recipe and modern equipment:

Saturday, April 16, 2016

indigo

Indigo (Indigofera tinctoria)
                 4/13/15 Soaked seeds in water overnight.
                 4/14/15 Planted 2 seeds each in three 4" pots,
                         three seeds each in three 4" pots, none of these germinated.
                Planted more outside in pots 5/30/15, two seeds germinated and grew.
                  Plant matter never yielded blue

Tuesday, April 12, 2016

Rock Alum

This is my silly "rock alum" saga. 

The bottom line is that alum in medieval paint recipes is Potassium Aluminum Sulfate KAl3(SO4)2(OH)6.  

Read on for how I learned this.

French Soap in Mappae Clavicula

An addendum to my post on soap:  I found a recipe in Mappae Clavicula!




https://www.academia.edu/27755101/Of_Potash_and_Lye

Wednesday, April 6, 2016

lye

I am still learning about lye.  Here's a list of notes for me and you about what authors and craftsmen who wrote medieval books probably used in their paint-dye-pigment 'recipes'.

Potassium Carbonate, K2CO3.