Reasons for the red color change in ammonium sulfate products
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Our factory produces sulfuric acid an using the spray-type saturator method. Recently, for unknown reasons, the color of the mother liquor turned red; the color of the newly produced ammonium sulfate was normal. However, after being exposed to air for some time, the color of the sulfuric acid an product changed to red. What could be the cause of this? We would appreciate it if experts could provide some guidance!
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I encountered the same problem; is there a solution?