Services

Many of the PSI lab’s services are available to researchers at Purdue and elsewhere on a contract basis. Analytical services currently offered include:

• δ²H and δ¹⁸O water analyses on LGR-LWIA (precision < 1‰, 0.2‰)
  • $15.00 (internal Purdue pricing), $23.10 (external pricing)
• δ¹⁸O organic solid analyses on TCEA-IRMS (precision 0.3‰)
  • $14.50 (internal Purdue pricing), $22.23 (external pricing)
• δ¹³C, δ¹⁵N, %C, and %N organic and inorganic solids on EA-IRMS (precision < 0.2‰, 0.3‰)
  • Plants: $5.00 (internal Purdue pricing), $7.70 (external pricing)
  • Soils: $6.50 (internal Purdue pricing), $10.01 (external pricing)
  • Acid-fumigated soils: $10.00 (internal Purdue pricing), $14.50 (external pricing)
• δ¹⁵N and δ¹⁸O of denitrifiers on continuous flow IRMS using headspace extraction (precision 0.1‰, 0.5‰)
  • $14.00 (internal Purdue pricing), $21.56 (external pricing)
• δ¹⁵N, δ¹⁸O, and ∆¹⁷O of denitrifiers on continuous flow IRMS using headspace extraction+gold tube thermal decomposition (precision 0.4‰, .1‰, 0.3‰)
  • $16.50 (internal Purdue pricing), $25.41 (external pricing)

 

We also offer preparation services (grinding and weighing) on an hourly basis for $21.00 (internal Purdue pricing) and $32.34 (external pricing).

 

Please visit our iLab recharge center for further information.

We encourage you to contact Lisa Welp and/or Greg Michalski for project-specific information on expected turnaround times, sample requirements, and protocols.