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AATCC EP 11 - SPECTROPHOTOMETER UV ENERGY CALIBRATION PROCEDURE FOR OPTICALLY BRIGHTENED TEXTILES Organization: AATCC
ASTM D7772 - STANDARD TEST METHOD FOR CARBON BLACK EXTRACTABLES - ABSORBANCE OF CYCLOHEXANE EXTRACT Organization: ASTM
Date: 2015-06-01
Description: This method covers the determination of extinction (absorbance) of carbon black cyclohexane extract at 386 nm using a UV spectrophotometer. The values stated in SI units are to be regarded as standard.
ISO 22891 - PAPER - DETERMINATION OF TRANSMITTANCE BY DIFFUSE REFLECTANCE MEASUREMENT - SECOND EDITION Organization: ISO
Date: 2013-03-01
Description: NOTE This means that, although this International Standard refers to ISO 2469, which permits the use of both filter colourimeters and abridged spectrophotometers, a filter colourimeter with no means of eliminating the emission of fluorescence is not suitable for this type of measurement whitening agents are present.
SNZ AS/NZS 1301.565 - METHODS OF TEST FOR PULP AND PAPER METHOD 565: DETERMINATION OF TRANSMITTANCE BY DIFFUSE REFLECTANCE MEASUREMENT Organization: SNZ
Date: 2016-03-04
Description: NOTE This means that, although this International Standard refers to ISO 2469, which permits the use of both filter colourimeters and abridged spectrophotometers, a filter colourimeter with no means of eliminating the emission of fluorescence is not suitable for this type of measurement if fluorescent whitening agents are present.

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