SIST EN ISO 80000-9:2019/A1:2025
Quantities and units - Part 9: Physical chemistry and molecular physics - Amendment 1 (ISO 80000-9:2019/Amd1:2025)
Quantities and units - Part 9: Physical chemistry and molecular physics - Amendment 1 (ISO 80000-9:2019/Amd1:2025)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 7
- Дата публикации:
- 1 октября 2025 г.
- Издание:
- CEN EN 0 edition 1 version 1
- ICS:
- 01.060
Abstract
Overview
SIST EN ISO 80000-9:2019/A1:2025 is an essential European and international standard that addresses quantities and units specifically within the fields of physical chemistry and molecular physics. Published by the Slovenian Institute for Standardization (SIST) and aligned with ISO and CEN, this amendment (Amendment 1) updates and clarifies the definitions, symbols, and usage of quantities and units relevant to these scientific disciplines. The standard enhances consistency in communication, reporting, and documentation by ensuring the same system of units is applied across research and industry.
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