Changing temperature of water to alter PH levels

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Discussion Overview

The discussion centers around the effect of temperature on the pH levels of water, specifically whether heating water to approximately 90°C alters its pH compared to room temperature water. The scope includes theoretical considerations and practical implications in a laboratory context.

Discussion Character

  • Exploratory, Technical explanation

Main Points Raised

  • One participant questions if heating water to about 90°C will change its pH compared to water at room temperature.
  • Another participant mentions the water ion product, indicating that the pH change may depend on the purity of the water used in typical laboratory settings.
  • A later reply acknowledges the previous point about the water ion product as helpful.
  • There is a side conversation about profile pictures and contributor perks, which does not directly relate to the main topic.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the specific effects of temperature on pH levels, and multiple views regarding the influence of water purity remain present.

Contextual Notes

The discussion does not clarify the assumptions regarding water purity or the specific conditions under which the pH measurements are taken.

Da Apprentice
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If water were is heated to aproximately 90C will the water at this temperature have a different PH level to water at room temperature?

Thanks,
 
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Water ion product.

That's for ultra pure water. "Water" that you deal with in normal lab is never as pure, so the dependence will be different.
 
Borek said:
Water ion product.

Thanks, is was exactly what i needed. o:)

(BTW - how do you get pictures on your profile?)
 
Da Apprentice said:
(BTW - how do you get pictures on your profile?)

It is a perk for contributors (and those that earned it in another way):

https://www.physicsforums.com/payments.php
 
Last edited by a moderator:
yeah, I don't think i'll be getting 10,000 posts anytime soon... Aussie Dollars high but i'll wait till I get more involved in the forums. Thanks anyways for the help, much appreciated.
 

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