Research data associated with: Carbonate triple oxygen and carbon isotope effects of chemical pretreatments on tooth enamel and eggshell

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Katz, Sarah A.; Bertacchi, Alex; Yarian, Drake A.; Wostbrock, Jordan A.G., 2026, "Research data associated with: Carbonate triple oxygen and carbon isotope effects of chemical pretreatments on tooth enamel and eggshell", https://doi.org/10.60600/YU/YBXTSZ, Yale Dataverse, V1, UNF:6:jEGd+Ci7Jg4tbmHuKmsOKw== [fileUNF]
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Description
This dataset presents research data associated with Carbonate triple oxygen and carbon isotope effects of chemical pretreatments on tooth enamel and eggshell. In this work, we test the effects of various chemical pretreatments on the mineral structure and isotopic composition of modern and fossil eggshell and tooth enamel. We present mass loss, FTIR (Fourier Transform Infrared), and isotopic (δ13C, δ18O, Δ′17O) data.
Subject Earth and Environmental Sciences
Keyword triple oxygen isotopes, stable isotopes, biominerals, tooth enamel, eggshell, chemical pretreatment, cleaning procedure, TILDAS, FTIR
Related Publication Katz, S.A., Bertacchi, A., Yarian, D.A., Wostbrock, J.A.G. Carbonate triple oxygen and carbon isotope effects of chemical pretreatments on tooth enamel and eggshell. Manuscript accepted at Chemical Geology May 2026.
Notes Methodology: All work was performed at Yale University. ATR-FTIR data were collected using a Bruker Vertex 80v with an A220 Platinum-Diamond stage attachment (Yale Earth Materials Characterization Core) or a Thermo iS5 with an iD7 diamond ATR stage attachment (Yale Initiative for the Study of Ancient Pyrotechnology). All isotopic measurements were made using an Aerodyne Research Inc. Tunable Infrared Laser Direct Absorption Spectroscopy (TILDAS) instrument in the Yale DELTA lab (i.e., Wostbrock Lab). Carbon isotope data are reported on the VPBD scale and oxygen isotope data are reported on the VSMOW2-SLAP2 scale in units of ‰.

The associated data file contains thirteen [13] tabs:
[1] Table S1. Mass Loss. This tab contains sample mass loss data.

[2] Table S2. FTIR Enamel. This tab contains enamel FTIR indices data (BPI, CI_HAP, C/C, WAMPI).

[3] Table S3. FTIR Egghsell. This tab contains eggshell FTIR indices data (CI_CAL, WAMCI).

[4] Table S4. Concentration (Summer). This tab contains data for the PX standards used in the concentration correction for summer (June-Aug.) 2025.

[5] Table S5. Stretch (Summer). This tab contains data for the PX and MERC standards used in the stretch correction for summer (June-Aug.) 2025.

[6] Table S6. QC Standards (Summer). This tab contains PX, MERC, and BIS01 standards that were used to assess performance during summer (June-Aug.) 2025.

[7] Table S7. Replicate Data (Summer). This tab contains raw and corrected sample data for summer (June-Aug.) 2025 reported at the replicate level.

[8] Table S8. Concentration (Fall). This tab contains data for the PX standards used in the concentration correction for fall (Nov.) 2025.

[9] Table S9. Stretch (Fall). This tab contains data for the PX and MERC standards used in the stretch correction for fall (Nov.) 2025.

[10] Table S10. QC Standards (Fall). This tab contains PX and MERC standards that were used to assess performance during fall (Nov.) 2025.

[11] Table S11. Replicate Data (Fall). This tab contains raw and corrected sample data for fall (Nov.) 2025 reported at the replicate level.

[12] Table S12. Sample Means. This tab contains averaged and corrected sample data.

[13] Table S13. Statistical testing. This tab contains descriptive statistics for sample data.

Acronyms and Abbreviations:
ATR-FTIR - Attenuated Total Reflectance Fourier Transform Infrared
BPI - B Type Carbonate to Phosphate Index
CI_HAP - Phosphate Crystallinity Index (also known as the Infrared Splitting Factor, IRSF)
C/C - Carbonyl to Carbonate Ratio
WAMPI - Water Amide to Phosphate Index
CI_CAL - Calcite Crystallinity Index
WAMCI - Water Amide to Calcite Index
TILDAS - Tunable Infrared Laser Direct Absorption Spectroscopy
SD - Standard Deviation
SE - Standard Error
N - Number of replicates

Units:
mg - milligram
µg - microgram
‰ - “per mille”, parts per thousand
License/Data Use Agreement

CC BY 4.0

1 File
Katz et al. 2026 Pretreatments Supplemental Data Yale Dataverse.tab
Tabular Data - 4.1 KB
Published May 28, 2026
27 Downloads
2 Variables, 34 Observations UNF:6:jEGd+Ci7Jg4tbmHuKmsOKw==
Preview "Katz et al. 2026 Pretreatments Supplemental Data Yale Dataverse.tab"
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