How to detect sodium thiolate in the caustic solution regenerated from liquefied gas desulfurization using fiber membranes
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As the title suggests, how to determine the content of sodium thiolate in the regenerated alkali solution, or conduct a qualitative analysis
Analysis by UOP Method 209-00 potentiometric titration; accurate analysis is possible at concentrations of 100 ppm and above. Generally, sodium thiolate is present in alkaline solutions at levels of 0.1–1.5 wt %.