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BS ISO 8126:2019

BS ISO 8126:2019

$86.31

Micrographics. Duplicating film, silver, diazo and vesicular. Specifications and measurement for visual density

Published By Publication Date Number of Pages
BSI 2019 12
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This document specifies visual diffuse transmission densities for second generation silver-gelatin and diazo microforms and projection densities for second generation vesicular microforms. It also specifies methods of measurement.

It does not apply to duplicates of microforms of technical drawings and other drawing office documents.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Measurement of density
4.1 Method of measurement of silver-gelatin and diazo duplicates
4.2 Method of measurement of vesicular duplicates
4.3 Measurement areas
4.3.1 Sampling aperture
4.3.2 Use of density patches
5 Visual diffuse transmission density of duplicate microforms from source documents and COM
5.1 Silver-gelatin duplicates
5.1.1 Positive-appearing duplicates
5.1.2 Negative-appearing duplicates
11 5.1.3 Direct positive duplicates
5.2 Diazo duplicates
6 Projection density of vesicular duplicates
6.1 Vesicular duplicates of source document microforms
6.1.1 Positive-appearing vesicular duplicates of source document microforms
6.1.2 Negative-appearing vesicular duplicates of source document microforms
6.2 Vesicular duplicates of COM microforms

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BS ISO 8126:2019
$86.31