Few previously unknown natural coloring sources brought into Europe at this time proved to have widespread commercial success; quercitron is the only example that comes readily to mind. ❋ Unknown (2006)
With regard to Mr. Watson Smith's observation as to fractional dyeing, he (Mr. Siebold) did not regard this method as a suitable trial for ascertaining the strength of an extract, but he admitted it was occasionally very valuable for detecting an admixture of extracts of other dyewoods, such as quercitron bark extract in logwood extract. ❋ Various (N/A)
Bancroft's persuasive abilities were considerable: His 1775 patent for the sale of quercitron in Britain was renewed when he argued that war hindered his ability to exploit its rights. 43 Once the patent was extended, Bancroft turned to the Council of Commerce in Paris for a similar privilege in France; he controlled access to this improved coloring material and its coloring technique in both countries until his death. ❋ Unknown (2006)
In the case of the natural dye-stuffs -- logwood, fustic, Persian berries, Brazil wood, camwood, cochineal, quercitron, cutch, etc. -- which belong to this group of ❋ Franklin Beech (N/A)
The usual methods of applying all the other dye-woods, to obtain scarlets to reds with Brazil wood, Lima wood, peach wood; or yellows with fustic, quercitron or Persian berries, is to first prepare the cotton with sumac, then mordant with alumina acetate or tin crystals ❋ Franklin Beech (N/A)
_Brown Stil de Grain_, _Citrine Lake_, or _Quercitron Lake_ is usually prepared from the berries of Avignon (ramnus infectorius), better known as French, Persian, or Turkey berries; but a more durable and quicker drying species is obtained from the quercitron bark. ❋ George Field (N/A)
Similarly the dyer proceeds to dye black upon a deep blue basis of indigo, with the ruddy colour of madder and the yellow of quercitron, &c. ❋ George Field (N/A)
_ -- Work for twenty minutes at 80° F. in a bath of 10 lb. fustic extract, 5 lb. quercitron extract, 2 lb. logwood extract; heat to boil, work for half an hour, then enter in a cold bath of 2 lb. sodium bichromate and 5 lb. copper sulphate; work for twenty minutes, then heat to boil; work for twenty minutes more, wash and dry. ❋ Franklin Beech (N/A)
The dye-woods -- fustic, Brazil wood, bar wood, Lima wood, cam wood, cutch, peach wood, quercitron bark, Persian berries -- have since the introduction of the direct dyes lost much of their importance and are now little used. ❋ Franklin Beech (N/A)
But with larger proportions of logwood the color obtained was a fine bluish-black, and with the addition of a small proportion of fustic or quercitron bark to the logwood a jet black was readily produced. ❋ Various (N/A)
America, are used by dyers under the name of quercitron. ❋ P. L. Simmonds (N/A)
About the time of the Revolution the town became a well-known station for the export of quercitron bark, and all the while the clacking mills were busy along the uneasy rapids of the Brandywine. ❋ Various (N/A)
Then to same bath add 10 to 12 parts quercitron and continue boiling for 15 minutes, then add 1 part of chalk, this addition is repeated at intervals of 6 to 8 minutes till a fine green is brought out. ❋ Ethel M. Mairet (N/A)
Logwood is not only used for dyeing blacks and greys as the principal colouring matter, but is also used as a shading colour along with cutch, fustic, quercitron, etc., in dyeing olives, browns, etc., and among the recipes given in this section examples of its use in this direction will be found. ❋ Franklin Beech (N/A)
To distinguish between these three, apply sulphuric acid, the color of weld will disappear, and of the others remaining apply tin-salt solution, when a change to orange indicates Persian berries, and no change or a very slight one, quercitron. ❋ Unknown (1904)
As a rule they are iron rust, picric acid, turmeric, fustic, weld, Persian berries or quercitron. ❋ Unknown (1904)
It is unaffected -- weld, Persian berries or quercitron. ❋ Unknown (1904)
[3] The inner bark is a rich yellow or orange color, providing the black oak with its alternative name, the yellow oak, is a source of tannin and a yellow dye called quercitron. ❋ Unknown (2010)
So, when the Lyonnais merchants Daubert and Maille developed their own technique to dye silk, they, and the French government, described the product as a new black, meaning one better than those achieved through other then-standard processes. 16 In French discussions of an act of the British Parliament granting Edward Bancroft exclusive rights to import the dyestuff quercitron, it was noted that, while the palette of yellows that quercitron produced might be familiar, incorporating this substance created a new industry, because quercitron was a different and presumed better material. 17 reference ❋ Unknown (2006)
