In this paper, the photographic activity of enclosures to be used for storing photographs is examined. To estimate basical properties of archival enclosures, about 90 samples were tested by a proposed ISO method (DIS 10214 TC-42/WG-5).
Approximately a quarter of the test samples met the criteria for archival storage capability.
Moreover, on paper enclosures, it was found that the alkali reserve were not always a useful parameter to detect the suitability of enclosure.
Further examination on the testing method should be required.
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