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Figure 2. Relationship between odor score and gas phase concentrations. For H2S and CH3SH, the gas concentrations were those set by experiment. For odorants in liquid phase, the equivalent head-space gas phase concentration was calculated according to Henry law constants (see text for details). Regression lines are extrapolated to y = 0 (the odor threshold) and y = 5 (saturation). Points and error bars have been removed for clarity. The slope for TMA (regression line 7) shows alternate projections for one-site binding (unbroken line) or two-site binding (dashed line).
