Determination of chlorine in air
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There is a standard, GBZ/T 160.37, for the determination of chlorine in the air; however, the procedures involved are rather complicated. Could the methyl orange spectrophotometric method (HJ/T 30-1999) be used for determining chlorine in the exhaust gases from fixed pollution sources? This method involves sampling for unorganized emissions, with a sampling rate of 0.6 ml/min over a period of 60 minutes
I still have a question: as to how the detection ranges for chlorine and hydrogen chloride using the mercuric thiocyanate method specified in standard GBZ/T 160.37 were determined. I hope experts can provide some guidance