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How can I find the specific heat of Normal Saline 0.9% ?

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Oct13-13, 01:24 AM
P: 3
I have to use this specific heat value to calculate the heat load for designing a machine as refrigerator.
Could you please help me to find accurate value.

ps. This normal saline is used for medication.
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Oct13-13, 03:21 AM
Borek's Avatar
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It is within a few percent of pure water specific heat, won't it be enough?
Oct13-13, 03:46 AM
P: 3
Thank you for your attention,Borek.
You mean that I can use the specific heat of Normal Saline as equal as the specific heat of pure water.
and I've seen some website told like this,too. I found some results told that the properties is as same as pure water such as boiling point,melting point,..but
It's necessary to have a evidence to support this issue for my graduating bachelor degree's project.

Oct13-13, 05:01 AM
Sci Advisor
HW Helper
PF Gold
P: 6,743
How can I find the specific heat of Normal Saline 0.9% ?

This link provides some data for the properties of saline solutions:

Scroll down for specific heat.

Adding salt to water reduces the specific heat. For the concentration that you have, Borek is right, the spec. ht. for pure water is a conservative number.
Oct13-13, 09:30 AM
P: 3
Thank you,SteamKing.

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