ASTM D5623 – Sulfur Compounds in Light Petroleum Liquids by Sulfur Selective Detection

Analyzer Description

LSV and/or capillary inlet, 1-column (capillary), SCD
Sample type:
Gasoline, petroleum liquids with a final boiling point less than 230°C
Components separated:
Hydrogen sulfide, carbonyl sulfide, sulfur dioxide, methyl mercaptan (methanethiol), ethyl mercaptan, dimethyl sulfide, carbon disulfide, 2-propanethiol, 2-methyl-2-propanethiol, 1-propanethiol, ethyl methyl sulfide, 2-butanethiol, thiophene, 2-methyl-1-propanethiol, diethyl sulfide, 1-butanethiol, dimethyl disulfide, C1-benzothiophenes, C2-benzothiophenes, diphenyl sulfide
Lower detection limits:
50 ppb
Methods met:
ASTM D5623, UOP791, GPA 2199, Wasson-ECE 243

Typical Chromatogram

ASTM D5623 Chromatogram

Key Features and Benefits

  • ASTM D5504 can be added to the same system for gas analyses
  • High selectivity and equimolar for sulfur
  • Sulfur treated inlet and sample lines ensure no sulfur lost during sample introduction