Calculation method for adjusting pH value by adding ammonia during boiler water pressure testing

2018-08-21View Original

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For 20% ammonia solution, when 1500 cubic meters of water is added and the pH is adjusted to 11, how much ammonia solution needs to be added approximately? The image below shows the calculation done by someone else; let me check it again. I got 2940 kg, but my boss said a few hundred kilograms would be sufficient.

Reply #22018-08-21

In the image, the concentration of OH? should be 0.001, but it strangely became 0.316×10^-3

Reply #32018-08-21

I think there’s something wrong with my calculation method now. Could anyone tell me how to calculate it?

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Calculation method for adjusting pH value by adding ammonia during boiler water pressure testing

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