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Old May 9th 2016, 06:06 AM   #1
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Join Date: May 2016
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Red face question about pH adjustment scale up

I'm trying to figure out if there's a way to do pH adjustments in the lab that represent a production size batch.

For example: my client wants to adjust the pH of their 300L tank to a pH of 7.8.
They take a 100ml sample (that is homogenous and representative of the whole batch) and they do the adjustment in the lab. For 100ml sample it takes 0.80mls of 1N NaOH to make the adjustment.

My question: is it safe to say that for the 300L (300,000ml) batch it would take 2400ml (2.4L) ? Is the relationship linear where you can directly multiple the scale up? Or do other things come into play?

Any ideas help, Thank you!!
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