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ASTM E 424 : 1971 : R2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Methods for Solar Energy Transmittance and Reflectance (Terrestrial) of Sheet Materials
Hardcopy , PDF
11-11-2014
English
15-04-1971
CONTAINED IN VOL. 12.02, 2015 Covers the measurement of solar energy transmittance and reflectance (terrestrial) of materials in sheet form: - Method A, using a spectrophotometer, is applicable for both transmittance and reflectance and is the referee method; - Method B is applicable only for measurement of transmittance using a pyranometer in an enclosure and the sun as the energy source.
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