Chris,

The CI 52041 is the correct methylene violet.  MacNeals used this, and it
also has a common name of Bernthsen.  

At 10:50 AM 4/21/2004 +0100, you wrote:
>Hi everyone,
>     I`m ordering the stains to make up Macneals Tetrachrome, I really
>like the sound of this, but Sigma sell two methylene violets one with
>C.I. 52041 and one with C.I. 50206,  can anyone tell me which one to
>order? Bye the way , I am enjoying the saline in the microwave saga.:-)
>Many thanks.   Chris Goodall
>
>
>_______________________________________________
>Histonet mailing list
>Histonet@lists.utsouthwestern.edu
>http://lists.utsouthwestern.edu/mailman/listinfo/histonet
>
>
Gayle Callis
MT,HT,HTL(ASCP)
Research Histopathology Supervisor
Veterinary Molecular Biology 
Montana State University - Bozeman
PO Box 173610
Bozeman MT 59717-3610
406 994-6367 (lab with voice mail)
406 994-4303 (FAX)



_______________________________________________
Histonet mailing list
Histonet@lists.utsouthwestern.edu
http://lists.utsouthwestern.edu/mailman/listinfo/histonet