: A detector tube and pump are used to measure the vapor.
: A 1-liter container is partially filled with the fuel sample. astm d5705 pdf
in the equilibrium headspace of residual fuel oils, specifically ASTM D396 Grades 4, 5, and 6, with viscosities ranging from 5.5 at 40°C to 50 : A detector tube and pump are used to measure the vapor
levels, which can pose significant health risks to personnel handling fuels in refineries, terminals, and marine vessels. This method focuses on measuring H2Scap H sub 2 cap S specifically ASTM D396 Grades 4
) in the vapor phase above residual fuel oils . This critical safety procedure allows for rapid on-site assessment of H2Scap H sub 2 cap S
The process establishes a specific vapor-liquid equilibrium to measure H2Scap H sub 2 cap S concentration.