BS ISO 8126:2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Micrographics. Duplicating film, silver, diazo and vesicular. Visual density. Specifications and measurement.
Hardcopy , PDF
01-23-2019
English
05-15-2000
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
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
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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