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METHODS AND DEVICES FOR DETECTING MERCURY ISOTOPES IN CRUDE OIL

  • US 20200132659A1
  • Filed: 04/19/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/31/2018
  • Status: Active Grant
First Claim
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1. A device for detecting mercury isotopes in crude oil, which comprises an enrichment-absorption system and a secondary purification-enrichment system for mercury isotopes, wherein the enrichment-absorption system comprises an air-background mercury absorption system, a pyrolysis/cracking system, and a mercury-sample absorption system connected in series with pipe lines, and a vacuum pump, wherein the vacuum pump is connected to the mercury-sample absorption system through a pipe line;

  • andthe secondary purification-enrichment system comprises a nitrogen-gas cylinder, a collection bottle with potassium-permanganate absorption liquid, and a secondary enrichment-absorption bottle connected in series with pipe lines, wherein the secondary purification-enrichment system further comprises a stannous-chloride storage bottle, which is connected to a pipe line between the nitrogen-gas cylinder and the collection bottle with potassium-permanganate absorption liquid via a peristaltic pump and through a pipe line.

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