ISO 13271:2012/Amd 1:2025 PDF

Stationary source emissions — Determination of PM10/PM2,5 mass concentration in flue gas — Measurement at higher concentrations by use of virtual impactors — Amendment 1

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Title (English):

ISO 13271:2012/Amd 1:2025

Stationary source emissions — Determination of PM10/PM2,5 mass concentration in flue gas — Measurement at higher concentrations by use of virtual impactors — Amendment 1

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 3
Publication date:: May 22, 2025
Edition:: ISO IS 13271 edition 1 version 1
ICS:: 13.040.40

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Technical details

Technical committee: ISO/TC 146/SC 1 - Stationary source emissions
SKU: ISO 13271:2012/Amd 1:2025

Abstract

Overview

ISO 13271:2012/Amd 1:2025 is Amendment 1 to ISO 13271:2012, the international standard for determining PM10 and PM2.5 mass concentrations in flue gas from stationary sources. The amendment updates terminology, corrects formulae and symbols, and refines equipment and measurement parameter specifications to improve accuracy when measuring higher particulate concentrations using virtual impactors.

Key topics and technical changes

Scope refinement: replaces the term “high humidity” with “high water vapour” for greater precision in gas condition descriptions.
Formula and notation corrections: multiple editorial fixes to symbols in Clause 6.4.3 and annexes (e.g., q, Vi, D0,i, St50,i) to ensure correct calculation inputs.
Nozzle / hardware dimensions: effective nozzle diameter changed from 18 mm → 14 mm (Clauses 7.2.1 and Annex F).
Instrument resolution: Annex F table corrected from 0.01 mg → 0.1 mg resolution.
Annex and figure updates: updated separation-efficiency curves (Figure C.2 replacement), key value adjustments (e.g., 8.0 μm → 7.5 μm), and corrected key labels (

Related standards

Mentioned in the description and other ISO standards

Overview

Key topics and technical changes

Scope refinement: replaces the term “high humidity” with “high water vapour” for greater precision in gas condition descriptions.
Formula and notation corrections: multiple editorial fixes to symbols in Clause 6.4.3 and annexes (e.g., q, Vi, D0,i, St50,i) to ensure correct calculation inputs.
Nozzle / hardware dimensions: effective nozzle diameter changed from 18 mm → 14 mm (Clauses 7.2.1 and Annex F).
Instrument resolution: Annex F table corrected from 0.01 mg → 0.1 mg resolution.
Annex and figure updates: updated separation-efficiency curves (Figure C.2 replacement), key value adjustments (e.g., 8.0 μm → 7.5 μm), and corrected key labels (

ISO 13271:2012/Amd 1:2025 PDF

Technical details

Abstract

Overview

Key topics and technical changes

Related standards

Abstract

Overview

Key topics and technical changes

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