According to Photo Engineer here, Azo never contained cadmium. Characteristics of the final Canadian Grade 2 production reportedly differed from earlier batches due to use of a different kettle for manufacture....the loss of cadmium that caused the degradation of many lovely papers...also Azo...
According to Photo Engineer here, Azo never contained cadmium. Characteristics of the final Canadian Grade 2 production reportedly differed from earlier batches due to use of a different kettle for manufacture.
It's only been 7 years so far, but I'm unable to detect any differences between prints made on my stash of the last Azo when first received and today, despite storing it at room temperature.
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