Experimental human exposure to n-Hexane. Study of the respiratory uptake and elimination, and of n-Hexane concentrations in peripheral venous blood.
1982
The respiratory uptake rate of n-hexane showed considerable differences in six healthy male persons, exposed at rest to 360 mg/m3 and 720 mg/m3 of n-hexane in inspired air and to 360 mg/m3 under different levels of physical exercise. These differences could partly be explained by a positive correlation with the amount of body fat. At rest also a strong influence of the respiratory minute volume and respiratory frequency on the uptake rate could be proven. The average uptake rate remained virtually constant over a range of 20 to 60 W of continuous external physical load, indicating that under these circumstances the inspired n-hexane concentration alone predominantly determines the uptake rate.
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