Supplementary data to: Nanoplastic Detection and Quantification in High-Altitude Glacial Snow Samles from Italy, Switzerland and France

This is the repository of all supplementary data corresponding to our manuscript, and it contains the following files: Raw PTR-ToF-MS data files for all measurements (samples + spiked samples) (.h5 files) Processed data files for all measurement days (.xlsx files) Final data analysis file (.xlsx file) including: raw fingerprinting results upscaling calculations spiking calculations final data + sdev Data processing code (.ipynb files) Polymer library files (.csv files) Fingerprinting code (.py files)