After being left for an extended period, the color of the ammonia-vaporized wastewater begins to turn black

2015-08-15View Original

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I accidentally noticed a problem: after sampling the ammonia-vapor wastewater and storing it for a week, its color darkened considerably. When a sulfur analysis was conducted, the value was 513; after another week, it rose to 806.2. What’s going on here?

Reply #22015-08-19

Is this storage sealed or open?

Reply #32015-08-20

Tighten the mineral water bottle and place it in a cool place

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After being left for an extended period, the color of the ammonia-vaporized wastewater begins to turn black

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