SIST EN ISO 80000-9:2019/A1:2025
(Amendment)Quantities and units - Part 9: Physical chemistry and molecular physics - Amendment 1 (ISO 80000-9:2019/Amd1:2025)
Größen und Einheiten - Teil 9: Physikalische Chemie und Molekularphysik -Änderung 1 (ISO 80000-9:2019/Amd1:2025)
Grandeurs et unités - Partie 9: Chimie physique et physique moléculaire - Amendement 1 (ISO 80000-9:2019/Amd1:2025)
Veličine in enote - 9. del: Fizikalna kemija in molekulska fizika - Dopolnilo 1 (ISO 80000-9:2019/Amd1:2025)
General Information
- Status
- Published
- Public Enquiry End Date
- 29-Oct-2024
- Publication Date
- 30-Sep-2025
- Technical Committee
- TRS - Technical drawings, quantities, units, symbols and graphical symbols
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 20-Aug-2025
- Due Date
- 25-Oct-2025
- Completion Date
- 01-Oct-2025
Relations
- Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
- Effective Date
- 09-Feb-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 01-Nov-2025
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.
Key Topics
- Harmonization of Quantities and Units: Ensures that physical chemistry and molecular physics practitioners use standardized units, as defined by the International System of Units (SI).
- Updated Normative References: The amendment brings in updated references, particularly to the 9th edition of "The International System of Units (SI, 2019)," ensuring alignment with the latest global standards.
- Clear Terminology: Offers precise definitions, names, and symbols for quantities frequently encountered in these fields, facilitating unambiguous interpretation and data exchange.
- International Applicability: Endorsed by ISO and CEN, and adopted by national standards bodies across Europe and worldwide, ensuring broad recognition and application.
Applications
The correct use of standardized quantities and units is crucial in various contexts, including:
- Academic Research: Supports accurate reporting and reproducibility of scientific findings in physical chemistry and molecular physics by providing universally accepted terminology and measurement units.
- Industrial Laboratories: Enhances interoperability and data comparison for laboratories dealing with chemical processes, spectrometry, molecular analysis, and similar activities.
- Scientific Publications and Data Exchange: Facilitates global collaboration by standardizing units in articles, datasets, and technical documentation.
- Education and Training: Used in curriculum development and textbooks to ensure emerging scientists and professionals are proficient in accepted units and terminology.
- International Collaboration: Eases the transfer and interpretation of technical data between researchers, institutions, and organizations across borders.
Related Standards
For further consistency and comprehensive knowledge in the domain of quantities and units, the following related standards are important:
- ISO 80000 Series: A multi-part international standard covering quantities and units across various scientific disciplines, including mechanics, thermodynamics, electromagnetism, and more.
- The International System of Units (SI): The globally accepted basis for measuring and reporting quantities in science and engineering, regularly maintained by the BIPM (Bureau International des Poids et Mesures).
- EN ISO 80000-9:2019: The underlying European standard, which this amendment updates, dealing specifically with physical chemistry and molecular physics units.
- National Adoptions: Various national standards bodies (such as DIN, AFNOR, and BSI) implement and reference these international standards for local regulatory compliance.
SIST EN ISO 80000-9:2019/A1:2025 serves as a foundational document for accuracy, reliability, and global harmonization in the measurement and reporting processes inherent to physical chemistry and molecular physics. By endorsing precise units and terminology, it advances scientific integrity, industry best practices, and international cooperation.
Frequently Asked Questions
SIST EN ISO 80000-9:2019/A1:2025 is a amendment published by the Slovenian Institute for Standardization (SIST). Its full title is "Quantities and units - Part 9: Physical chemistry and molecular physics - Amendment 1 (ISO 80000-9:2019/Amd1:2025)". This standard covers: 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)
SIST EN ISO 80000-9:2019/A1:2025 is classified under the following ICS (International Classification for Standards) categories: 01.060 - Quantities and units; 07.030 - Physics. Chemistry. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN ISO 80000-9:2019/A1:2025 has the following relationships with other standards: It is inter standard links to SIST EN 60862-1:2016, SIST EN IEC 61293:2020, SIST EN IEC 60122-4:2019, SIST EN 60115-1:2023, SIST EN 61082-1:2015, SIST EN 62604-1:2015, SIST EN IEC 62604-1:2022, SIST EN 16263-5:2015, SIST EN ISO 80000-9:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN ISO 80000-9:2019/A1:2025 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-november-2025
Veličine in enote - 9. del: Fizikalna kemija in molekulska fizika - Dopolnilo 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)
Größen und Einheiten - Teil 9: Physikalische Chemie und Molekularphysik -Änderung 1
(ISO 80000-9:2019/Amd1:2025)
Grandeurs et unités - Partie 9: Chimie physique et physique moléculaire - Amendement
1 (ISO 80000-9:2019/Amd1:2025)
Ta slovenski standard je istoveten z: EN ISO 80000-9:2019/A1:2025
ICS:
01.060 Veličine in enote Quantities and units
07.030 Fizika. Kemija Physics. Chemistry
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 80000-9:2019/A1
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2025
EUROPÄISCHE NORM
ICS 01.060
English Version
Quantities and units - Part 9: Physical chemistry and
molecular physics - Amendment 1 (ISO 80000-
9:2019/Amd 1:2025)
Grandeurs et unités - Partie 9: Chimie physique et Größen und Einheiten - Teil 9: Physikalische Chemie
physique moléculaire - Amendement 1 (ISO 80000- und Molekularphysik - Änderung 1 (ISO 80000-
9:2019/Amd 1:2025) 9:2019/Amd 1:2025)
This amendment A1 modifies the European Standard EN ISO 80000-9:2019; it was approved by CEN on 5 December 2024.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 80000-9:2019/A1:2025 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 80000-9:2019/A1:2025) has been prepared by Technical Committee ISO/TC 12
"Quantities and units" in collaboration with CCMC.
This Amendment to the European Standard EN ISO 80000-9:2019 shall be given the status of a national
standard, either by publication of an identical text or by endorsement, at the latest by March 2026, and
conflicting national standards shall be withdrawn at the latest by March 2026.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 80000-9:2019/Amd 1:2025 has been approved by CEN as EN ISO 80000-
9:2019/A1:2025 without any modification.
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