Figure 3From: Laser-induced thermal lens spectrometry after cloud point extraction for trace analysis of mercury in water and drug samplesEffect of the concentration of NaOH on thermal lens signal of 25 µg L-1Hg+2. Other conditions: 0.1% (w/v) Triton X-114, 1.97?×?10-6 M dithizone, and equilibration temperature 54°C.Back to article page