ISO 80000-9:2019/AMD1:2025 PDF
Amendment 1 - Quantities and units - Part 9: Physical chemistry and molecular physics
Amendment 1 - Quantities and units - Part 9: Physical chemistry and molecular physics
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 1
- Дата публикации:
- 14 августа 2025 г.
- Издание:
- IEC IS 80000 edition 2 version 1
- ICS:
- 01.060
Abstract
Overview
ISO 80000-9:2019/AMD1:2025 is the first amendment to the International Standard ISO 80000-9, which focuses on quantities and units specifically related to physical chemistry and molecular physics. Published by the International Electrotechnical Commission (IEC) in collaboration with the International Organization for Standardization (ISO), this document updates and refines the standard definitions, symbols, and units required for precision in scientific measurement fields. This amendment enhances clarity and alignment with the International System of Units (SI), supporting consistent use worldwide.
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