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BSI BS ISO 18915:2000

Imaging materials. Methods for the evaluation of the effectiveness of chemical conversion of silver images against oxidation
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BSI BS ISO 18915:2000

Imaging materials. Methods for the evaluation of the effectiveness of chemical conversion of silver images against oxidation

PUBLISH DATE 2001
BSI BS ISO 18915:2000

1.1 This International Standard describes methods for evaluating the effectiveness of chemical conver­sion treatments intended to increase the resistance of wet-processed silver images to oxidation. The treatment may be applied as part of the original pro­cessing, or it may be a post-processing treatment.

This International Standard does not recommend general or specific treatments for silver images. Likewise, treatment temperature, times and replenishment rates are out­side the scope of this International Standard. Factors to be considered in a stabilizing treatment are discussed in informative annex B.

Two test methods are described: the 'dichromate bleach test' and the 'hydro­gen peroxide incubation test' (see [7] in the bibliography). The significance of each is discussed in informative annex C.

1.2 This International Standard is applicable to silver-gelatin images coated on supports of either plastic, paper or glass.

SDO BSI: British Standards Institution
Document Number ISO 18915
Publication Date March 15, 2001
Language en - English
Page Count
Revision Level
Supercedes
Committee CPW/42
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