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US6149798A Method for minimizing the aerial oxidation of photographic developers 失效
最小化照相显影剂的空气氧化的方法

Method for minimizing the aerial oxidation of photographic developers
摘要:
The invention concerns a method for decreasing the oxygen content of the atmosphere above photographic processing baths. The method comprises using a solid electrolyte which is a compound of bismuth, vanadium or another transition metal. The oxidation in air is thus minimized and the life of the bath is extended.
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