ASTM D5705 is a standard test method specifically designed for the field measurement of hydrogen sulfide ( cap H sub 2 cap S
The ASTM D5705 test method provides a standardized procedure for determining the concentration of hydrogen sulfide in the vapor space of a closed container containing residual fuel oil. Given that H2Scap H sub 2 cap S astm d5705 pdf
and agitated on an orbital shaker at 220 rpm for three minutes to release the gas into the headspace. Measurement length-of-stain detector tube and a hand-operated pump are used to measure the cap H sub 2 cap S concentration in the vapor space. Why Does It Matter? Safety First cap H sub 2 cap S ASTM D5705 is a standard test method specifically
: This field test measures vapor phase concentration at a specific moment and does not directly correlate to cap H sub 2 cap S levels in the liquid phase (refer to ASTM D7621 for liquid phase testing). ASTM International ASTM D4810 (lead acetate tape method) ASTM D5504
The detection relies on a simple yet effective precipitation reaction. When H2Scap H sub 2 cap S passes through lead acetate ( ) impregnated in the tube, it forms lead sulfide ( PbScap P b cap S ), which is black or brown:
A: Officially, no. The method is written for polyethylene. However, some labs adapt it for PP, but for true compliance, use ASTM E679 or contact ASTM.