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Topic: how can i identify distilled water?  (Read 1660 times)

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Offline danavuia.1987

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how can i identify distilled water?
« on: January 11, 2019, 03:03:02 AM »
If i make total alkalinity ( 100 ml water , 2-3 drops of metylorange and HCl 0.1 N titration, ) and the result*2.8=temporary hardness (the hardness that dissapears on boiling) .
This valus shold be very small?
Or it should be 0?
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Offline chenbeier

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Re: how can i identify distilled water?
« Reply #1 on: January 16, 2019, 12:13:58 PM »
Distilled water will not have any calcium. A titration with HCl will get with 1 drop a indicator change.
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