Services:

Analysis		Analytical Precision	Analyzer	Turnaround Time
Water (Liquid and vapor)	δ¹⁸O	0.03 ‰	Los Gato Cavity ring-down spectroscopy	1-2 weeks
Water (Liquid and vapor)	δD	0.2 ‰	Los Gato Cavity ring-down spectroscopy	1-2 weeks
Sulfate, nitrate, phosphate, cellulose, oxides, etc.	δ¹⁸O	0.3 ‰	MAT253 - TCEA	2-4 weeks
Nitrate	δ¹⁵N	0.3 ‰	MAT253 - TCEA	2-4 weeks
Sulfate, nitrate, phosphate, oxides, etc.	Δ¹⁷O	0.05 ‰	MAT253 - Dual inlet-Fluorination laser line system	2-4 weeks
Carbonate	δ¹³C	0.08‰	MAT253 - Gas Bench	1-2 weeks
Carbonate	δ¹⁸O	0.1‰	MAT253 - Gas Bench	1-2 weeks
Sulfate, sulfides, elemental S, organic S, etc.	δ³⁴S and %S	0.2‰	Isoprime100- EA with TCD	1-2 weeks
Sulfate, sulfides, elemental S, organic S, etc.	δ³⁴S, δ³³S, and δ³⁶S	0.005‰ (D³³S)	MAT253 - Dual inlet-Fluorination line system	4-5 weeks
Solid organic matters	δ¹³C and %C	0.1‰	Isoprime100- EA with TCD	1-2 weeks
Solid organic matters	δ¹⁵N and %N	0.3‰	Isoprime100- EA with TCD	1-2 weeks

We also provide reference materials and services on sample extraction and purification, data interpretation, and training.