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dr5chrome

dr5chrome

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Was thumbing through an antique book of photography. It made reference to "ORTAL". Wondering if anyone knows about this reducing agent? All I could find is it's in the o-aminophenol family.

regards,, dw
 
Gerald C Koch

Gerald C Koch

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Are you sure of the spelling? The developing agent Ortol is the addition compound of o-aminophenol and hydroquinone. As soon as it is dissolved in water it dissociates into these two developing agents.
 
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