You can get these materials through Chuck Douthitt at Oztech
Oztech Trading Corporation
9412 Rocky Branch Drive
Dallas, TX 75243 USA
Phone # 214 348-8330
Fax # 214 348-8810
[log in to unmask]
At 04:03 PM 11/28/00 -0800, you wrote:
>Does anyone know a supplier of N2 and CO2 with known 15N and 13C content
around
>natural abundance. If not any suggestions on the best way to standardize
easily
>available ultrapure gases.
>
>Thanks in advance,
>John Cliff
>
>Dept. of Crop and Soil Sciences
>3017 Ag & Life Sci. Bldg.
>Oregon State University
>Corvallis OR, 97331
>
> 541-737-4157
>Fax 541-737-5725
>
>
*****************************************************************
Timothy P. Rose
Analytical and Nuclear Chemistry Division, L-231
Lawrence Livermore National Laboratory
Livermore, CA 94550
Phone: 925-422-6611
Fax: 925-422-3160
email: [log in to unmask]
*****************************************************************
