Hi, Andrius:

Ethane gas from Scott Specialty Gasses has d13C of about -29, dD about
-150. It may be a good choice as GC-C working standard for natural gas
samples.

Dachun Zhang
ESS Dept.
UCI

> Hello,
>
> We have GC/C/IRMS system, and I need C13/C12 standart for such system.
> Where I can get it?
>
> Best Regards,
>
> Andrius Garbaras
> Institute of Physics,
> Vilnius, Lithuania
> [log in to unmask]
>