Fine ceramics (advanced ceramics, advanced technical ceramics). Test method for air-purification performance of semiconducting photocatalytic materials - Removal of methyl mercaptan1 Scope This part of ISO 22197 specifies a test method for the determination of the air purification performance of materials that contain a photocatalyst or have photocatalytic films on the surface, usually made from semiconducting metal oxides, such as titanium dioxide or other ceramic materials, by continuous exposure of a test piece to the model air pollutant under illumination with ultraviolet light (UV A). This part of ISO 22197 is intended for

These items shall be considered to comply with BS EN 4840‑102 if they comply with the property requirements listed in Table 1 except for dimensions

As a user of ISO/TR 24475

and specific nuclide (commonly iodine

Concerns of drain and sewer blockage

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7 00728-69-3 T Simazine C7H12CIN5 201

BS EN 16438 specifies a test method and the minimum requirements for fungicidal or yeasticidal activity of chemical disinfectant and antiseptic products that form a homogeneous physically stable preparation in hard water or – in the case of ready-to-use products– with water

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BS 4361-17 provides nomenclature that helps to understand the terms of the machines and brings uniformity in manufacturing

Financial management and risk management

The sampling procedures and the methods of test for verification of conformity to the requirements of this European Standard are also specified

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