ISO 10121-1-2014 PDF

Full title and description

Test method for assessing the performance of gas-phase air cleaning media and devices for general ventilation — Part 1: Gas-phase air cleaning media. This ISO standard specifies laboratory challenge-test methods, apparatus requirements and sample-holder definitions to evaluate solid sorptive gas‑phase air cleaning media (e.g., activated carbon, silica gel, molecular sieves and specialist adsorptive fibres) used in general ventilation applications.

Abstract

ISO 10121-1:2014 describes an objective, steady‑state, challenge-based laboratory procedure for comparing performance of gas‑phase air cleaning media (GPACM). It defines three media configurations (GPACM‑LF loose fill particles; GPACM‑FL flat sheet/fabric; GPACM‑TS thick three‑dimensional structures), prescribes normative sample‑holder and apparatus validation requirements, and provides example apparatus details in informative annexes. The method is intended for like‑for‑like comparative testing and not for direct prediction of in‑service performance.

General information

• Status: Published / Valid (ISO 10121-1:2014; adopted as EN ISO 10121-1:2014 in CEN members).
• Publication date: First edition April 2014 (ISO first edition dated 15 April 2014; distributor listings commonly show publication in April 2014, e.g., 17 April 2014).
• Publisher: International Organization for Standardization (ISO); also published/endorsed as EN ISO by CEN members and by national bodies.
• ICS / categories: 91.140.30 — Ventilation and air‑conditioning systems.
• Edition / version: First edition, ISO 10121-1:2014 (Part 1 of the ISO 10121 series).
• Number of pages: Varies by publication/translation and regional adoption (ISO PDF listings commonly show ~40 pages; EN/British adoption listings show 52–56 pages). Users should check the specific national/EN publication for exact page count.

Scope

ISO 10121-1:2014 provides laboratory test methods for assessing the performance of solid gas‑phase air cleaning media intended for general ventilation. It covers granular media, fibres/pads and full‑size filter elements that incorporate sorptive media used in general air cleaning. The standard is not intended for non‑sorptive devices (e.g., certain scrubbers or packed column systems), nor for nuclear or military special‑purpose air cleaning unless those technologies fit the specified test apparatus. Testing of complete devices is addressed separately in ISO 10121‑2.

Key topics and requirements

• Definitions and classification of GPACM configurations: GPACM‑LF (loose fill particles), GPACM‑FL (flat sheets/fabrics) and GPACM‑TS (thick 3‑D structures).
• Normative requirements for sample holders and test‑section geometry to ensure reproducible challenge conditions.
• Steady‑state gas challenge procedures, challenge gas generation and sampling/analysis guidance (elevated challenge concentrations for comparative laboratory testing).
• Validation tests and apparatus performance criteria (to confirm generation, mixing, sampling and analytical accuracy).
• Key output metrics and terminology: breakthrough curves, penetration, capacity, efficiency versus time and efficiency versus capacity.

Typical use and users

Primary users include sorptive media manufacturers (product development, quality control and comparative benchmarking), air‑cleaning device manufacturers (media selection and device design), independent test laboratories implementing standardized challenge tests, and HVAC engineers/specifiers and building owners who require comparable laboratory performance data for media selection (with the caveat that laboratory challenge results are comparative and not direct service predictions).

Related standards

ISO 10121-1:2014 is part of the ISO 10121 series; closely related documents include ISO 10121‑2 (test methods for gas‑phase air cleaning devices) and other air‑cleaning/terminology standards such as ISO 29464 (cleaning of air and other gases — terminology). Regional/adopted versions exist (EN ISO 10121-1:2014, BS EN ISO 10121-1:2014, DIN/UNI adoptions). ASTM and national standards addressing adsorptive media properties or analysis methods may be referenced for specific test details.

Keywords

ISO 10121-1, gas‑phase air cleaning media, GPACM, challenge test, adsorption, breakthrough, penetration, sorptive media, gas‑phase filtration, general ventilation.

FAQ

Q: What is this standard?

A: ISO 10121-1:2014 is an international laboratory test method standard that specifies how to perform steady‑state challenge tests to compare the performance of solid gas‑phase air cleaning media used in general ventilation.

Q: What does it cover?

A: It covers test procedures, sample‑holder and apparatus requirements, validation tests, and reporting/terminology for three GPACM configurations (loose fill particles, flat sheets/fabrics, and thick three‑dimensional media). It is focused on comparative laboratory challenge testing rather than direct prediction of real‑world service life.

Q: Who typically uses it?

A: Media and air‑cleaning device manufacturers, independent test laboratories, HVAC engineers and specifiers, and procurement teams who need standardized comparative performance data for sorptive media.

Q: Is it current or superseded?

A: ISO 10121-1:2014 is the published first edition (2014). Users should check national standards bodies or ISO for any amendments, revisions, or more recent editions prior to relying on the text for compliance or specification work. Regional adoptions (EN/BS/DIN/UNI versions) may carry the same text with differing page counts.

Q: Is it part of a series?

A: Yes — it is Part 1 of the ISO 10121 series. Part 2 addresses test methods for gas‑phase air cleaning devices (complete elements/devices). Related terminology and filter standards (for example ISO 29464) should be consulted for complementary requirements.

Q: What are the key keywords?

A: Gas‑phase air cleaning media, GPACM, adsorption, breakthrough, penetration, challenge test, sorptive media, general ventilation, test apparatus.