EN ISO 80000-9:2019/A1:2025 PDF
Quantities and units - Part 9: Physical chemistry and molecular physics - Amendment 1 (ISO 80000-9:2019/Amd 1:2025)
Quantities and units - Part 9: Physical chemistry and molecular physics - Amendment 1 (ISO 80000-9:2019/Amd 1:2025)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 7
- Дата публикации:
- 3 сентября 2025 г.
- Издание:
- CEN EN 80000 edition 1 version 1
- ICS:
- 01.060
Abstract
Overview
EN ISO 80000-9:2019/A1:2025 is Amendment 1 to Part 9 of the ISO 80000 series: Quantities and units - Physical chemistry and molecular physics. Prepared by ISO/TC 12 in collaboration with IEC/TC 25 and CEN, this amendment was approved by CEN and published in 2025. It modifies the European Standard EN without technical change and is intended for national adoption by March 2026.
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