Re: Green dye and weighted silk

[harby ezzeldeen <harbyezzeldeen@xxxxxxxxx>]

Hi Sharon

 

First of all I have the pleasure e-mailing you, I have some information about natural colors of Historical Textiles in Egyptian museum . Green color in Historical textiles that I investigated consist of  2 different color yellow color + blue color as following:-

1) Yellow color from Safflower dye, or saffron dye, that dyed in fabric with different mordant same alum.

2) blue color from Indigo dye. 

 

 harby 

Jennifer Hadley <HadleyJ@xxxxxxxxxxxxx> wrote:

> I am forwarding a question from a friend to the list-serve. I wasn't sure, so I hope that some of you can be of some help!
>
> Thanks,
> Jennifer
>
> Hi Jennifer,
>
> I am in charge of our county museum association (like a co-op). I had one of our museum
>  people give a presentation on care of textiles. He said that the bright green fabric you see in turn-of-the-century quilts is usually deteriorating because the dye was made with arsenic. I know there was a green dye that contained arsenic, but I am wondering if it is indeed in this type of fabric and if it is would this cause deterioration. He also said that they made weighted silk with arsenic, and he said nothing about metals. I thought maybe you could set me straight on this matter. 
>
> Thanks for your help. Hope all is well with you, let me know how everything is!
>
> Sharon
>
> Jennifer Hadley
> Collections Care
> Museum of Church History and Art
> (801) 240-0297
> hadleyj@xxxxxxxxxxxxx
>
> ----------------------------------------------------------------------
> NOTICE: This email message is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution
>  is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message.

Harby Ezzeldeen Hassan Ahmed.
B.A, M.A Historical Textiles Conservation.

Textiles Conservator.
Assistant Lecturer - Conservation Department-
Faculty of Archeology - Cairo University - Egypt.
Ph.D Candidate ?Biotechnology Application in Textiles Conservation?.
Department of Chemical Engineering - National Technical University of Athens - Greece.

E-mail : harbyezzeldeen@xxxxxxxxx.

Cell phone: +306945572550

---

Fussy? Opinionated? Impossible to please? Perfect.  Join Yahoo!'s user panel and lay it on us.