The SIBS Laboratory at Texas A&M University provides stable isotope analyses for researchers on and off campus.

Registration to the Texas A&M AgriLife system is required for new users for payment. See "Payment" page.



Per-sample rates (in US$)

Please click each analysis service for details (A&M rate: rates for Texas A&M students, faculty, and staff).

Rates are also available for non-academic institutions and could be negotiable. Contact Dr. Jason West ( for more information.

Rush analysis rates are available (a surcharge of 75%).


Analysis A&M rate Non-A&M (academic rate)
d13C, d15N, %C, %N (solid) $8.00 $9.90
%C, %N only (no isotope results) $5.00 $6.00
d2H and d18O of water $12.00 $16.00
d2H of keratin, or d18O of solid $13.00 $19.00
d34S and %S of solid $14.00 $18.75
d2H or d13C of n-alkane Coming soon Coming soon
    (*When packed samples are sent
Acid treatment $5.00 $7.00
Weighing $3.00 $4.50
Grinding $3.00 $4.50
Water extraction $8.00 $12.00
Use of microbalance, ball mill, or freezer mill $0.50  
Special Technician Service (per hour) $50.00  

Contact Us

SIBS Lab (Dr. West or Dr. Boutton)

Department of Ecology and Conservation Biology

Texas A&M University

2258 TAMU

534 John Kimbrough Blvd

College Station, TX 77843-2258

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