![]() ![]() ![]() that seems like it would be sufficient to distribute the powder in the solution and deposit it on the paper. These dried glands can be stored for decades for future use.īetween all these sources, it seems you would want a solution around a 9 or 10 on the ph scale. The glands are then cleaned and placed on a glass sheet away from direct sunlight which, at this stage, would blacken them, spoiling the dye potential. In a process lasting around 45 minutes, the texture thickens and the gland secretion changes colour - from yellow, to green, to blue and, eventually, to purple. Although the gland is white with colourless liquid, when coated in salt (to absorb the liquid) and exposed to sun and air, it starts to oxidise. By altering the percentage of sea salt in the dye vat and adding potash, he was able to successfully dye wool a deep purple colour." (Madder Red: A history of luxury and trade: plant dyes and pigments in world commerce and art)Īnother person stated his process is as follows: ( )įirst, shells have to be crushed individually and the gland torn out. An incomplete ancient recipe for Tyrian purple recorded by Pliny the Elder was also consulted. "It is hypothesized that an alkaline fermenting vat was necessary. (start at 17:00 to avoid religious stuff) Pliny the elder mentioned boiling in sea water, but the salt wouldn't change the ph enough. Sources for materials to dye with and on. Also, has many experiments and results and safety advice for some. Hand-Dyeing for Dummies - many tutorials and guides for different types of dyeing.Ĭhemknits Tutorials - Lots on dying with natural fibers and kool aid or food coloring. Paula Burch's - All About Hand Dyeing - a good place to start with information about dye types, fiber types, and mordants as well as basic instructions for styles of dyeing.ĬhemKnits - Has a good dyeing section along with the knitting. Knitty - Good beginners page to read through. I have written an extensive blog on the subject of tekhelet blue and tyrian purple that you can read here.We welcome posting pictures of finished dye jobs, questions even ones you might think are silly, advice on common mistakes and problems dyers run into or help with a problem you're having now, step-by-step pictures of the dyeing progress from bare to beautiful, products that've done you well or poorly, or even video blogs or the written type you've found helpful to use in your learning process. It comes in a special box with instructions on producing Tyrian purple and blue, and includes the soda ash and sodium hydrusulfit needed. The package of dye contains 10 grams which is enough for a two-liter hydrosulfite vat. Tyrian purple and tekhelet are two colors that can be produced with the murex trunculus, and for this you have to make a reduced vat, just like with indigo. This dyestuff is not just collected for the color, the glands are a by-product of the snails that are eaten as a fried snack in the Mediterranean. A special gland inside the snail contains the valuable dyestuff which is removed and dried for further use. Murex trunculus sea snails can only be collected by diving and hand-searching on rocky coastlines. It was and still is, the most expensive dye on earth.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |