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Methods of test for petroleum and its products -- Determination of mercaptan sulfur and hydrogen sulfide content of liquefied petroleum gases (LPG). Electrometric titration method
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 l 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.
Identical with IP 272/2000.
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