For most permanent gases, the minimum is below 120 �C . Often, the smaller the gas molecule ( and the lower the gas solubility in water ), the lower the temperature of the maximum of the Henry's law constant.
12.
It should possess low blood gas solubility, have no end-organ ( heart, liver, kidney ) toxicity or side-effects, should not be metabolized, and should not be an irritant to the respiratory pathways of the patient.
13.
:The bubbles in boiling water are indeed water vapour / steam, however as the water heats to boiling in a saucepan, bubbles form on the walls and they are filled with oxygen and nitrogen which were dissolved in the water as gas solubility decreases with temperature.
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:: : Our article says " Perfluorochemical ( perfluorocarbon ) molecules have very different structures that impart different physical properties such as respiratory gas solubility, density, viscosity, vapor pressure, and lipid solubility . " So, hopefully one ( or a combo ) could be found that works for fish.