Failure to tightly seal specimens for sweat electrolytes during collection and transport will cause:

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Failure to tightly seal specimens for sweat electrolytes during collection and transport will cause increased values due to evaporation. This is because as sweat specimens are exposed to air, evaporation occurs and concentration of electrolytes in the sample increases. It is therefore important to make sure that sweat specimens are tightly sealed to prevent any loss of volume or increase in concentration.

Failure to Tightly Seal Specimens for Sweat Electrolytes During Collection