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EN ISO 24443:2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Determination of sunscreen UVA photoprotection in vitro (ISO 24443:2012)

Superseded date

01-20-2022

Published date

06-01-2012

Foreword
1 Scope
2 Terms and definitions
3 Principle
4 Apparatus
5 Test method
6 Procedure using the spreadsheet in this International
  Standard
7 Reference sunscreen formula S2
8 Test report
Annex A (normative) - Calibration of UV spectrophotometer
        and plate transmission test
Annex B (normative) - Radiometer calibration to
        spectroradiometric irradiance procedure
Annex C (normative) - Computation values: PPD and erythema
        action spectra and UVA and UV-SSR spectral irradiances
Annex D (normative) - PMMA test plate surface specifications
Annex E (normative) - UVA reference sunscreen S2
Annex F (informative) - Statistical calculations
Bibliography

ISO 24443:2012 specifies an in vitro procedure to characterize the UVA protection of sunscreen products. Specifications are given to enable determination of the spectral absorbance characteristics of UVA protection in a reproducible manner. In order to determine relevant UVA protection parameters, the method has been created to provide a UV spectral absorbance curve from which a number of calculations and evaluations can be undertaken. This method relies on the use of in vivo SPF results for scaling the UV absorbance curve.

Committee
CEN/TC 392
DevelopmentNote
Supersedes PREN ISO 24443. (06/2012)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

ISO 17166:1999 Erythema reference action spectrum and standard erythema dose
ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
DIN 67501:2010-07 EXPERIMENTAL IN VIVO EVALUATION OF THE PROTECTION FROM ERYTHEMA OF EXTERNAL SUNSCREEN PRODUCTS FOR THE HUMAN SKIN

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