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[iplan]

We have a requirement to measure ammonia in Hydrogen sulphide rich gas streams. But inhouse lab reported inability for Ammonia measurement in presence of hydrogen sulphide in gas samples.

Though there are some consultants doing this analysis, I would like to know how other refineries are carryingout the same analysis in gas samples such as sour water stripper off gas, hyroprocessing units off gases etc.

In this context, I would like to know,

1. Any refiner analysing the above streams for ammonia.
2. if so, the method followed, if it can be shared..

Many thanks in advance
iplan