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1. Extraction by grinding
Fluid inclusions are small cavities (0.1 < Ø (μm) < 1,000) present in magmatic, metamorphic or sedimentary rocks that may, depending on the case, have one or more phases (vapor: CO 2 , H 2 O, N 2 , etc. liquid: CO 2 , H 2 O, etc.; and solid: NaCl, carbonate, etc.) and may have formed at the same time as the rock (or mineral) (primary inclusion) or after its formation (secondary inclusion). Accessing and analyzing the noble gases trapped in them provides the information needed for a better understanding of fluid circulation in the Earth's crust or at the mantle-crust interface.
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Unit operations. Chemical reaction engineering
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Extraction by grinding
Diffusion and/or fusion extraction
Bibliography
Events
Development In Noble Gas Understanding and Expertise (DINGUE). Workshop organized each year in conjunction with the GOLDSCHIMDT conference.
Standards and norms
- CF flange connection elements: the elements are made of 316 L stainless steel [DIN 17 440 – WN 14 404) Z2CND17-12] and DIN 28 403 - « Pneurop » 6601 - 1981
- Cuivre OFHC (Oxygen Free High Conductivity ): Cuivre élaboré suivant une méthode américaine. Son équivalent français est le cuivre Cu-c1 ou 2 - ISO431 -
Patents
ZIMMERMANN (L.), PIK (R.). – High-temperature furnace under ultra-high vacuum. [patent FR 2973105(A1)] (2011).
ZIMMERMANN (L.). – Furnace and process for extraction by diffusion of helium present in minerals. [patent no. 1 000185860] (2013).
Directory
Manufacturers – Producers – Suppliers (non-exhaustive list)
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Ultra-high vacuum equipment (CF flange, translation and electrical bushing, copper gasket, etc.)
Adixen Vacuum Products SAS (Pfeiffer) http://www.pfeiffer-vacuum.com
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