Abstract: The invention provides a method and device for measuring mercury isotopes in natural gas. The method includes the following steps: (1) primary enrichment: subjecting natural gas to a three-stage cascading absorption with an acidic potassium permanganate aqueous solution, and collecting all of the acidic potassium permanganate aqueous solutions in which natural gas is absorbed in step (1); (2) mercury purification and enrichment: reducing the mercury absorbed in the step (1) to mercury vapor with a stannous chloride solution, and then purifying and enriching the mercury vapor by using an acidic potassium permanganate aqueous solution; (3) detecting the acidic potassium permanganate solution in which the mercury vapor is enriched in step (2) to determine the total mercury content therein; and (4) detecting the acidic potassium permanganate solution in which the mercury vapor is enriched in step (2) to determine the composition/content of stable mercury isotopes therein.

Abstract: A method and device for detecting mercury isotopes in an oil-gas source. The device includes at least one enrichment-absorption system for mercury in crude oil/hydrocarbon source rock, an enrichment-absorption system for mercury in natural gas and at least one secondary purification-enrichment system for mercury. The enrichment-absorption system for mercury in crude oil/hydrocarbon source rock includes three air-absorption bottles, a pyrolysis/cracking system, five impact samplers, and a vacuum pump, which are connected in series by pipe lines. The enrichment-absorption system for mercury in natural gas includes five impact samplers connected in series, wherein the first impact sampler is connected to the natural gas outlet from the natural gas well and the last impact sampler is connected to the cumulative gas flow meter.

Abstract: The present disclosure relates to a method and device for detecting mercury isotopes in crude oil.

Abstract: The present disclosure relates to a method and device for detecting mercury isotopes in crude oil.

Abstract: The invention relates to a method and a device for detecting mercury isotopes in an oil-gas source. The device includes at least one enrichment-absorption system for mercury in crude oil/hydrocarbon source rock, an enrichment-absorption system for mercury in natural gas and at least one secondary purification-enrichment system for mercury; the enrichment-absorption system for mercury in crude oil/hydrocarbon source rock comprises three air-absorption bottles, a pyrolysis/cracking system, five impact samplers, and a vacuum pump, which are connected in series by pipe lines; and the enrichment-absorption system for mercury in natural gas includes five impact samplers connected in series, wherein the first impact sampler is connected to the natural gas outlet from the natural gas well and the last impact sampler is connected to the cumulative gas flow meter.

Abstract: The invention provides a method and device for measuring mercury isotopes in natural gas. The method includes the following steps: (1) primary enrichment: subjecting natural gas to a three-stage cascading absorption with an acidic potassium permanganate aqueous solution, and collecting all of the acidic potassium permanganate aqueous solutions in which natural gas is absorbed in step (1); (2) mercury purification and enrichment: reducing the mercury absorbed in the step (1) to mercury vapor with a stannous chloride solution, and then purifying and enriching the mercury vapor by using an acidic potassium permanganate aqueous solution; (3) detecting the acidic potassium permanganate solution in which the mercury vapor is enriched in step (2) to determine the total mercury content therein; and (4) detecting the acidic potassium permanganate solution in which the mercury vapor is enriched in step (2) to determine the composition/content of stable mercury isotopes therein.