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GB/T 27870-2011Photocatalyst for air purification (English PDF)

净化空气用光催化剂

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 30, 2011

Implementation date

September 1, 2012

Scope

GB/T 27870-2011 is the English-translated version of 净化空气用光催化剂.

GB/T 27870-2011 is the Chinese standard "Photocatalyst for air purification". Its scope clause reads: This standard specifies the air purification photocatalyst with a liquid of the main technical requirements, test methods, testing rules, labeling, transportation and storage.

This standard applies to indoor air pollutants scavenging liquid photocatalyst, the photocatalyst does not apply to other types of products. Its clauses include terms and definitions.

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Document preview — GB/T 27870-2011

National Standard of the People's Republic of China

ICS: 71.100.40
Classification: G 74

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 Terms and Definitions
3.1 Air purification photocatalyst
3.2 Photocatalytic reaction
3.3 Photocatalytic removal
4.1 Appearance
4.2 Physical indicators

1 Scope

This standard specifies the air purification photocatalyst with a liquid of the main technical requirements, test methods, testing rules, labeling, transportation and storage.

This standard applies to indoor air pollutants scavenging liquid photocatalyst, the photocatalyst does not apply to other types of products.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 6680 General rules for sampling liquid chemical products

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Air purification photocatalyst

Upon irradiation with light, can be improved (or enhanced) degradation of pollutants in the air (or decomposition) of the chemical reaction rate, and their physical and chemical

The changing nature of the substance does not occur.

3.2 Photocatalytic reaction

In the chemical reaction carried photocatalyst.

3.3 Photocatalytic removal

Under light conditions, contaminants after the photocatalytic reaction concentration decreased percentage.

3.4

Photocatalyst when measured in the environment of high concentration of pollutants in the long period of time after the light treatment, the photocatalytic removal of the first measured time trial

The ratio of photocatalytic removal rate was expressed as a percentage.

4. Technical Requirements

4.1 Appearance

Homogeneous, non-hierarchical.

4.2 Physical indicators

Photocatalyst air purifying quality should meet the requirements of Table 1.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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