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IP 272: Determination of mercaptan sulfur and hydrogen sulfide content of liquefied petroleum gases (LPG) - Electrometric titration method
- Method adopted/last revised: 2016
- Method reapproved: None
- REF/ISBN: IP272-2937655
- Status: New
- First printed in STM books: March 2016
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Scope
This method describes a procedure for the determination of mercaptan sulfur in liquefied petroleum gases. Hydrogen sulfide if present may also be determined. With a 12 I gas sample the method gives a minimum detection level of 14 mg/m3 (as sulfur) for mercaptans and 7 mg/m3 (as sulfur) for hydrogen sulfide. The method is applicable in the presence of acetylenes but cyanides may interfere.
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