Figure 4
From: Fiber Optic Sensor for Real-Time Sensing of Silica Scale Formation in Geothermal Water
Effect of the pH modifier on the scale formation monitored by the fiber optic sensor. Exposed core length: 24 cm; wavelength: 600 nm; pH values: 4.7 (100 mg/L, red line), 5.8 (10 mg/L, yellow line), and 6.6 (0 mg/L, green line).
