The International Standards Reference
3,410,493 standards from over 719 publishers worldwide. Structured metadata, expert interpretation, and comprehensive classification for researchers, engineers, and compliance professionals.
Classification by ICS
All Categories ›49.060
Aerospace electric equipment and systems
8,382 standards
35.040
Character sets and information coding
6,835 standards
87.040
Paints and varnishes
5,084 standards
91.100.30
Concrete and concrete products
4,258 standards
49.020
Aircraft and space vehicles in general
4,103 standards
59.080.30
Textile fabrics
3,689 standards
71.040.30
Chemical reagents
3,611 standards
91.100.10
Cement. Gypsum. Lime. Mortar
3,581 standards
71.040.40
Chemical analysis
3,467 standards
35.240.50
IT applications in industry
3,452 standards
25.040.40
Industrial process measurement and control
3,375 standards
21.060.10
Bolts, screws, studs
3,371 standards
Browse by Document Type
Most Influential Standards
Ranked by citation network
1
GB/T 1.1-2009
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Cited by 2,866
2
ISO 3696:1987
International Organization for Standardization (ISO)
Cited by 2,299
3
GOST 1770-1974
Gosstandart of Russia
Cited by 2,034
4
GOST 6709-1972
Gosstandart of Russia
Cited by 1,953
5
GB/T 191-2008
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Cited by 1,882
Recently Published
GS ISO 9951:2015
Turbine meters
NS/ISO 9930:1993
Green Beans - Storage and Refrigerated Transport
This document establishes comprehensive guidelines for the storage and refrigerated transportation of green peas, aiming to preserve product quality from harvest to point of sale. It outlines
GS ISO/TR 9901:2025
Recommended practice for use
NS/ISO 9855:1993
Ambient Air - Determination of the Particulate Lead Content of Aerosols Collected on Filters – Atomic Absorption Spectrometric Method
This document outlines a standardized method for analyzing particulate matter in ambient air, specifically targeting the quantification of lead content. It establishes a precise analytical procedure
GS ISO 9847:2025
Calibration of pyranometers by comparison to a reference pyranometer
GS ISO 9846:2007
Calibration of a pyranometer using a pyrheliometer
GS ISO 9845-1:2025
Part 1: Direct normal and hemispherical solar irradiance for air mass 1,5
NS/ISO 9835:1993
Ambient Air - Determination of Black Smoke Index
This document establishes a standardized methodology for assessing black smoke levels in ambient air. It specifies the procedures, equipment requirements, and analytical steps necessary to ensure
GS ISO/TR 9769:2025
Review of available methods of analysis
GS ISO 9768:2007