Carbon (13C) and Nitrogen (15N) Analysis Pricing & Turnaround Time
The prices listed are for fully prepared samples, see additional notes below the pricing table.
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Natural Abundance Analysis
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Turnaround Time for Data (weeks)
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Price per Sample (US$) |
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Dual 13C & 15N natural abundance sample
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12-15
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$9.00
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Dual 13C & 15N natural abundance - Difficult samples (Filters, Soils, Sediments, Salts)* |
12-15
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$11.50
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13C OR 15N (single isotope) natural abundance
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12-15
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$8.00
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13C OR 15N (single isotope) natural abundance - Difficult samples (Filters, Soils, Sediments, Salts)*
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12-15
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$11.00
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15N wood (Tree-ring) samples
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$27.00
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Solid Sample Special Handling Surcharge |
+ 4 weeks
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+$7.50 - 15.00
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Enriched Analysis ***
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Turnaround Time for Data (weeks)
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Price per Sample (US$) |
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Dual 13C & 15N enriched/tracer
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15 - 18
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$11.00
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Dual 13C & 15N enriched/tracer - Difficult samples (Filters, Soils, Sediments, Salts)* |
15 - 18
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$14.50
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13C OR 15N (single isotope) enriched/tracer
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15 - 18
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$10.50
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13C OR 15N (single isotope) enriched/tracer - Difficult samples (Filters, Soils, Sediments, Salts)* |
15 - 18
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$13.00
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Highly enriched samples (over 20 atom%) - surcharge |
+$8.00
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Solid Sample Special Handling Surcharge
(Weighing, subsampling, acid fumigation, and other non-routine services) - must contact us to discuss ahead of time** |
+ 4 weeks
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+$7.50 - 15.00
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*Difficult samples are GF/F filters, soils, sediments, salts, large samples that exceed our standards range, or samples encapsulated in silver (Ag) capsules. These samples are difficult on our machines, requiring special handling and more consumables, therefore they incur a higher price per sample. Regular samples that are charged the baseline rate are plants, animals, fish, invertebrate, diffusion filters, and other small samples that do not exceed our standards range, with dimensions that do not exceed 5.5 mm, and do not require any additional handling.
**Samples with weights that exceed the recommended ranges will incur an additional fee of $7.50 for subsampling and re-encapsulation. Weighing and subsampling will add 4 weeks to the analysis turnaround time.
***Samples are natural abundance unless a substrate enriched in 13C or 15N has been added to the experimental system (a.k.a. tracer experiments).
The turnaround times listed are approximate for properly prepared samples (i.e dried, ground, weighed, encapsulated in tin (Sn) capsules, and organized in 96-well plates). Samples are queued for each analysis in the order received. Large sample sets (>500 samples) will have a longer turnaround time. Test samples and small sample sets (<72 regular / < 36 difficult samples) will have a shorter turnaround time than posted above. Please contact us if you need a more specific turnaround time for your samples.
Expedited/rush requests need to be scheduled prior to shipping your samples. Expedite requests made after the samples have been received by the SIF may be declined if the deadline is too short (i.e. < 1 month turnaround).
The SIF does not offer routine weighing and encapsulation service. Please DO NOT ship unprepared samples to the SIF without prior consent. Unprepared samples shipped to the SIF can be returned at the customer’s expense; regulated material such as soil CANNOT be returned and must be disposed of by the SIF per USDA regulation.