Community database

Certified reference materials

Isotopic reference materials (CRMs) shared by the community, with their certified values and the standard they are reported against. Each CRM is a signed ISOF file, importable into IsoFind to anchor standardisation.

0CRMs

ISOFSigned format

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UnsignedNo embedded integrity proof

IntegrityVerifiable SHA-256 fingerprint

CertifiedECDSA signature and PKI chain

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From the software: these CRMs are also available in IsoFind, Community database menu, CRM tab. On import, their values feed the computation of shifts between standards.

IsoFind · sovereign isotopic traceability. Certified values come from the signed ISOF files.

IsoFind at a glance

IsoFind brings together several services around isotope geochemistry. The Atlas gathers published values for ore deposits, contaminated sites and fractionation, free to browse, with more than 8,100 reference pages in English and French. The IsoFind software is for working on your own measurements, offline. Free online tools such as the standards conversion and two open formats, ISOF (Isotopic Secure Open Format) and IGL (Isotope Geochemistry Language), complete it.

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