ASTM-E2729 2021

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E2729-16(2021) Standard Practice for Rectification of Spectrophotometric Bandpass Differences

Published By	Publication Date	Number of Pages
ASTM	2021

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Categories: 71.040.50 - Physicochemical methods of analysis, ASTM

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Description

ASTM E2729-16-Reapproved2021

Active Standard: Standard Practice for Rectification of Spectrophotometric Bandpass Differences

ASTM E2729

Scope

1.1 This 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.

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

1.3 It 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.

1.4 This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

bandpass rectification; spectral deconvolution;

ICS Code

ICS Number Code 71.040.50 (Physicochemical methods of analysis)

DOI: 10.1520/E2729-16R21

Additional information

Standard Title	E2729-16(2021) Standard Practice for Rectification of Spectrophotometric Bandpass Differences
Published Code	ASTM
Publication Date	2021
ICS Codes	71.040.50 - Physicochemical methods of analysis