Isotopic compositions
| Manufacturer | Applied/standard | Isomer ? | Isomer enriched | Batch/Lot n° | Commercial Name/Formulation | Purity (%) | δ13C 			 (‰)  | ± 			 (‰)  | δ37Cl 			 (‰)  | ± 			 (‰)  | δ15N 			 (‰)  | ± 			 (‰)  | δ2H 			 (‰)  | ± 			 (‰)  | Measurement method | Reference: DOI Number | Reference Citation | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sigma Aldrich | Standard | Bulk | No | 99.1 | -28.5 | na | GC-IRMS | 10.1016/j.jhazmat.2018.01.038 | Xu, Z., et al, A new approach to estimate bioavailability of pyrethroids in soil by compound-specific stable isotope analysis, Journal of Hazardous Materials 349 (2018) 1–9 |