Where can arsenic and mercury in gaseous light hydrocarbons be analyzed?
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The feed gas consists mainly of ethylene and ethane, with a small amount (1%~5% mol) of methane; the detection limit for arsenic and mercury is required to be 5 ppb. Could someone please advise where such testing can be carried out?
Is the unit ppb or ppm?
Find the analysis center at the Beijing Research Institute of Petrochemical Technology; they have ways to handle it. But you will need a larger quantity of samples, and it is best to use pressure vessels.