Environmental monitoring station laboratory equipment list 1 pH meter: measuring pH 2 Conductivity meter: measuring the conductivity value of the electrolyte solution 3 liquid chromatograph: qualitative and quantitative analysis 4 Gas Chromatograph: Qualitative and Quantitative Analysis 5 UV-visible spectrophotometer: measuring the absorption of monochromatic radiation of different wavelengths, quantitative analysis 6 Visible spectrophotometer: measuring the