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Continuous and Semi-Continuous Monitoring of Methane (CH4) Using Flame Ionization Detection 1. Scope and Principle of ISO 25140:2010 ISO 25140:2010 specifies the automatic determination of methane (CH4) concentration in stationary source emissions using flame ionization detection (FID). Unlike the manual…
Specifications, Tolerances, and Classification of Diamond Cutting Tools for Natural Stone 1. Scope and Purpose of ISO 25157:2013 ISO 25157:2013 establishes the dimensional specifications, tolerances, and classification system for diamond segments used in circular saw blades, frame saw blades, and…
Standardized Framework for Describing Soil Profiles, Horizons, and Site Characteristics 1. Scope and Importance of ISO 25177:2019 ISO 25177:2019 specifies the requirements and guidelines for describing soil in the field as part of soil quality assessment. This standard provides a…
Foundational Concepts, Terms, and Definitions for 3D Surface Metrology 1. Scope and Significance of ISO 25178-1:2016 ISO 25178-1:2016 is the foundational document of the ISO 25178 series, which establishes the areal (three-dimensional) surface texture methodology as a replacement for traditional…
A Contemporary Framework for Evaluating and Improving Software Development and Engineering Practices 1. Introduction to ISO 25131:2025 — A Modern Software Engineering Framework ISO 25131:2025 represents a significant evolution in the standardization of software engineering methods and capabilities. Published in…
A Comprehensive Framework for Software Quality Specification, Measurement, and Evaluation in Systems Engineering 1. The SQuaRE Quality Model Architecture ISO 25137-1:2009, part of the SQuaRE (Software Quality Requirements and Evaluation) series, defines a comprehensive quality model for software products. While…
Specification, Classification, and Testing of Sulfur-Based Binder Materials 1. Overview and Scope of ISO 25137-2 ISO 25137-2:2009 specifies the requirements and test methods for sulfur concrete and sulfur mortar used in construction applications. Sulfur concrete is a thermoplastic material produced…
Manual Gas Chromatographic Method for Methane (CH4) from Industrial and Landfill Sources 1. Scope and Principle of ISO 25139:2011 ISO 25139:2011 specifies a manual method for the determination of methane (CH4) concentration in stationary source emissions using gas chromatography (GC)…
General Principles for Design and Development of SRP/CS in Tractors and Self-Propelled Machinery 1. Introduction to ISO 25119-1 and SRP/CS Architecture ISO 25119-1:2018 establishes the general principles for the design and development of safety-related parts of control systems (SRP/CS) used…
Hazard Identification, Risk Estimation, and Safety Requirements Definition in the Concept Phase 1. The Concept Phase Lifecycle in ISO 25119-2 ISO 25119-2:2019 focuses exclusively on the concept phase of the safety lifecycle for safety-related parts of control systems (SRP/CS) in…