��Ůֱ��

*Total N, %N, Total C, %C, Total S, %S provided upon request at no extra charge.
Solid Materials Analytical Services
SAMPLE TYPE	ISOTOPE^*	CHARGE PER SAMPLE
Bulk Organic Matter	δ¹⁵N δ¹³C δ¹⁵N & δ¹³C δ³⁴S	$ 10.00 $ 10.00 $ 15.00 $ 20.00	Sample Requirements
NH₄ & NO₃ Salts	δ¹⁵N	$ 10.00	Sample Requirements
Particulates Filters	δ¹⁵N δ¹³C δ¹⁵N & δ¹³C δ⁴S	$ 15.00 $ 15.00 $ 20.00 $ 20.00	Sample Requirements
NH₄ Diffusion Filters	δ¹⁵N	$ 10.00	Sample Requirements

Solid Materials Preparation Services
SERVICE	CHARGE PER SAMPLE
Drying & Grinding	$ 10.00
Acid Treatment	$ 10.00
Sample Weighing & Packing	$ 3.50

Derivatized Organics

Please contact us.