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ASTM E 2729 : 2016

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Rectification of Spectrophotometric Bandpass Differences
Available format(s)

Hardcopy , PDF

Superseded date

03-07-2021

Language(s)

English

Published date

30-08-2016

1.1This standard outlines the methods that can be used to deconvolve, at least partially, the spectral bandpass differences of raw spectral data acquired by abridged spectrophotometry. Such differences are introduced because the spectral passband must be of significant bandwidth to allow sufficient energy to reach the detector. On the other hand, the spectral data that should be reported is that of a virtual 1-nm bandwidth spectrum in order to be useful in the CIE method of tristimulus integration which involves 1-nm summation.

1.2The standard establishes practices for whether, when, and how a bandpass rectification should be made to any reflectance or transmittance spectrum acquired by abridged spectrophotometry.

1.3It is applicable where the shape of the passband is triangular and the bandwidth is equal to the measurement interval between passbands. Information is provided in Section 7 for users when that condition is not satisfactorily met.

1.4This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Committee
E 12
DocumentType
Standard Practice
Pages
3
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM E 308 : 2018 Standard Practice for Computing the Colors of Objects by Using the CIE System
ASTM E 805 : 2012 : REV A : R2017 Standard Practice for Identification of Instrumental Methods of Color or Color-Difference Measurement of Materials
ASTM E 2022 : 2016 Standard Practice for Calculation of Weighting Factors for Tristimulus Integration

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$108.03
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