Category ISO Standards

Standard method for trace-level analysis of priority PAH pollutants in drinking water, groundwater, and surface water using gas chromatography-mass spectrometry. Introduction to ISO 28540 ISO 28540:2011, developed by ISO/TC 147/SC 2, specifies a GC-MS method for the determination of 16…

The international standard for RFID data model in library applications — from item identification to privacy and migration strategies. Introduction to ISO 28560-1 ISO 28560-1:2023 is the third edition of the foundational standard for RFID implementation in libraries, developed by…

The standard for web archival storage: understanding the WARC (Web ARChive) file format specification 1. Introduction to ISO 28500 and the WARC File Format ISO 28500:2017 specifies the WARC (Web ARChive) file format, the international standard for storing web archival…

Guidance for achieving and verifying cleanliness in marine lubricating oil systems 1. Introduction to ISO 28520 and Marine Lubricating Oil System Cleanliness ISO 28520:2009 provides comprehensive guidance for flushing of lubricating oil systems in ships and marine installations, and for…

Comprehensive guidance for pipe cleaning, flushing, and cleanliness verification in marine hydraulic systems 1. Introduction to ISO 28521 and Hydraulic System Cleanliness ISO 28521:2009 specifies pipe cleaning and cleanliness levels for hydraulic oil systems in ships and marine technology. Hydraulic…

Understanding the ISO designation system for poly(phenylene ether) thermoplastics 1. Introduction to ISO 28941-1 and PPE Materials ISO 28941-1:2008 establishes a standardized designation system for poly(phenylene ether) (PPE) thermoplastic materials used in moulding and extrusion applications. PPE is a high-performance…

A comprehensive guide to identifying and classifying defects on raw buffalo hides for the leather industry 1. Introduction to ISO 28499-1 and Hide Defect Classification ISO 28499-1:2009 provides a comprehensive classification system for defects occurring on raw buffalo hides and…

Standardized methods for classifying raw buffalo hides based on weight and surface area 1. Introduction to ISO 28499-2 and Hide Grading Principles ISO 28499-2:2009 establishes standardized procedures for grading raw buffalo hides and buffalo calf skins on the basis of…

Three-tier defect-based grading system for raw buffalo hides in the leather industry 1. Introduction to ISO 28499-3 and Defect-Based Grading ISO 28499-3:2009 establishes a three-tier grading system for raw or cured buffalo hides and calf skins based on the extent…

Specifications and test methods for external tooth bleaching products used in dentistry Overview of External Tooth Bleaching Standards ISO 28399:2021 establishes the safety and performance requirements for externally applied tooth bleaching products used in dentistry. This third edition revises previous…