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pH and osmolarity?


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#1 indoubt

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Posted 19 March 2005 - 03:15 AM

Should pH always be between 7.0 to 7.4 in the medium? What about the osmolarity? :unsure:

Thanks.

#2 fred_33

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Posted 21 March 2005 - 01:07 AM

hi
for cells, ph should be at a physiological value, and it's about 7 to 7.4. Acidic or alcaline pH damage cells and decrease their viability.
The osmolarity in human blood is 0.307osmoles per liter. That corresponds to 9g/L of NaCl. i don't remember what should be glucose added to the transfusions (point of osmotic pressure between cells and extracellular medium).
hope that answered your questions




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