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PAPTAC - E.2 - OPACITY OF PAPER Organization: PAPTAC
Date: 2011-05-01
Description: This method is intended to measure "Opacity – paper backing" formerly known as "Printing Opacity". It may be used for coloured papers provided that the reflectance (paper backing) is greater than 20 % and simultaneously the opacity (paper backing) is greater than 45 % (Ref.3).
DSF/ISO/IEC 7810/FDAM 2 - OPACITY Organization: DS
Description: This International Standard is one of a series of standards describing the ch...
DS/EN ISO 7686 - PLASTICS PIPES AND FITTINGS - DETERMINATION OF OPACITY Organization: DS
Date: 2005-11-09
Description: This Standard specifies a method for the determination of the opacity of plastics pipes andfittings.Annex A gives guidance on the light transmission of opaque pipes and fittings.
NBN - EN ISO 7686 - PLASTICS PIPES AND FITTINGS - DETERMINATION OF OPACITY (ISO 7686:2005) Organization: NBN
Date: 2005-08-25
Description: ISO 7686:2005 specifies a method for the determination of the opacity of plastics pipes and fittings.
NBN - EN ISO 7686 - PLASTICS PIPES AND FITTINGS - DETERMINATION OF OPACITY (ISO 7686:2005) Organization: NBN
Date: 2005-08-25
Description: ISO 7686:2005 specifies a method for the determination of the opacity of plastics pipes and fittings.
TAPPI UM 411 - OPACITY OF PAPER USING 45°/0° GEOMETRY REFLECTOMETER Organization: TAPPI
Date: 2015-01-01
Description: The term "approximate" is used to differentiate the TAPPI opacity measured with this procedure to the TAPPI opacity measured using an instrument that conforms to the measurement of opacity as specified in the geometry in T 425 "Opacity of paper (15/d geometry, illuminant A/2º observer, 89% reflectance backing and paper backing)."
TAPPI T 519 - DIFFUSE OPACITY OF PAPER (D/0 PAPER BACKING) Organization: TAPPI
Date: 2011-01-01
Description: This method provides a measure of diffuse opacity (paper backing) of white and near-white papers, previously known as "printing opacity." The method may be employed for colored papers on condition that their reflectance (paper backing) is greater than 20% and their diffuse opacity (paper backing) is greater than 45% (1).
TSE - TS 11039 - DETERMINATION OF X - RAY OPACITY IN SURGICAL DRESSING Organization: TSE
Date: 1993-04-25
Description: This standard covers the radiologic method for the determination of x-Ray opacity of surgical dressing. Bu standard, cerrahi malzemede bulunan Radyoopak maddelerin X-Işını geçirmezliğinin Radyolojik olarak tayin metodunu kapsar.
ISO 13116 - DENTISTRY - TEST METHOD FOR DETERMINING RADIO-OPACITY OF MATERIALS - FIRST EDITION Organization: ISO
Date: 2014-11-01
Description: This International Standard specifies test methods for determination of radio-opacity of a test material by reference a specimen of an aluminium standard.
NH - 86513266 REV B - DECAL OPACITY Organization: NH
Date: 1997-07-01
DS/EN 578 - PLASTICS PIPING SYSTEMS - PLASTICS PIPES AND FITTINGS - DETERMINATION OF THE OPACITY Organization: DS
Date: 1993-10-20
Description: The standard specifies a method for determining the opacity of plastics and fittings.
NBN - EN 578 - PLASTICS PIPING SYSTEMS - PLASTICS PIPES AND FITTINGS - DETERMINATION OF THE OPACITY Organization: NBN
Date: 2005-08-25
Description: This European standard specifies a method for determining the opacity of plastics pipes and fittings.
ASTM D6216 - STANDARD PRACTICE FOR OPACITY MONITOR MANUFACTURERS TO CERTIFY CONFORMANCE WITH DESIGN AND PERFORMANCE SPECIFICATIONS Organization: ASTM
Date: 2012-10-01
Description: In the main part of this practice, it includes design and performance specifications, test procedures, and quality assurance requirements to ensure that continuous opacity monitors meet minimum design and calibration requirements, necessary in part, for accurate opacity monitoring measurements in regulatory environmental opacity monitoring applications subject to 10 % or higher opacity standards.
TAPPI T 425 - OPACITY OF PAPER (15/D GEOMETRY, ILLUMINANT A/2°, 89% REFLECTANCE BACKING AND PAPER BACKING) Organization: TAPPI
Date: 2011-01-01
Description: Scope and significance Opacity is a fundamental optical property of paper as a whole, yet the measurement of opacity is determined by a ratio of reflectance measurements.
TSE - TS ISO 7644 - ROAD VEHICLES- MEASUREMENT OF OPACITY OF EXHAUST GAS FROM COMPRESSION IGNITION (DIESEL) ENGINES- LUG-DOWN TEST Organization: TSE
Date: 1998-04-13
Description: This international standard specifies a test method for the measurement of exhaust gas exhavot gas opacity from compression ignition engined vehicles.
TSE - TS ISO 2471 - PAPER AND BOARD- DETERMINATION OF OPACITY (PAPER BACKING) DIFFUSE REFRECTANCE METHOD Organization: TSE
Date: 2000-04-26
Description: This internation standard specifies a method for the determination of the opacity (paper backing) of paper by diffuse reflectance.
TSE - TS EN 578 - PLASTICS PIPING SYSTEMS-PLASTICS PIPES AND FITTINGS-DETERMINATION OF THE OPACITY Organization: TSE
Date: 1996-04-02
Description: This standard specifies a method for determining the opacity of plastics pipes and fittings. Bu standard plastik boru ve ekleme parçalarının opaklık tayini için bir metodu kapsar.
NBN - EN ISO 13116 - DENTISTRY - TEST METHOD FOR DETERMINING RADIO-OPACITY OF MATERIALS (ISO 13116:2014) Organization: NBN
Date: 2014-12-17
Description: ISO 13116:2014 specifies test methods for determination of radio-opacity of a test material by reference to a specimen of an aluminium standard.
NBN - EN ISO 13116 - DENTISTRY - TEST METHOD FOR DETERMINING RADIO-OPACITY OF MATERIALS (ISO 13116:2014) Organization: NBN
Date: 2014-12-17
Description: ISO 13116:2014 specifies test methods for determination of radio-opacity of a test material by reference to a specimen of an aluminium standard.
ASTM D7520 - STANDARD TEST METHOD FOR DETERMINING THE OPACITY OF A PLUME IN THE OUTDOOR AMBIENT ATMOSPHERE Organization: ASTM
Date: 2016-04-01
Description: The opacity of emissions is determined by the application of a Digital Camera Opacity Technique (DCOT) that consists of a Digital Still Camera, Analysis Software, and the Output Function’s content to obtain and interpret digital images to determine and report plume opacity.

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