The SH0689 Ultraviolet Fluorescence Sulfur Analyzer adopts the ultraviolet‑fluorescence measuring principle. Complying with ASTM D5453, SH/T 0689‑2000 and other relevant standards, this instrument is designed to measure total sulfur content in crude oil, distillate oil, liquefied petroleum gas, plastics, petrochemical products, food‑grade materials and more. The sample is injected into a high‑temperature cracking furnace for cracking and oxidation reactions. At approximately
