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SUMMARY:Extreme environments at the XAS beamline
DTSTART;VALUE=DATE-TIME:20141120T063000Z
DTEND;VALUE=DATE-TIME:20141120T080000Z
DTSTAMP;VALUE=DATE-TIME:20260711T054020Z
UID:indico-contribution-762@events01.synchrotron.org.au
DESCRIPTION:Speakers: Nicholas Rae (Australian Synchrotron)\nX-ray Absorpt
 ion Spectroscopy is a technique for structure determination and speciation
  studies which is well suited to the in situ study extreme environments.  
     Extreme environments are systems under high pressure and high temperat
 ure.  These systems occur in nature when geofluids dissolve metals from la
 rge regions of host rock\, and later precipitate the metals as ore deposit
 s.  Apart from understanding the formation of ore deposits\,  understandin
 g geofluids is important in developing ore processing\, and for geothermal
  power stations.\n\nTwo new systems for studying extreme environments are 
 being implemented in hutch C at the XAS beamline.    Hutch C is a separate
  experimental station to hutch B\, the main experimental hutch where routi
 ne XAS experiments re performed.    One of the aims of the extreme environ
 ments project is the set up hutch C to run independently of hutch B.   An 
 example is the parallel implementation of motor control\, and detector cou
 nting chains.   \nThe first new system is the maestro autoclave cell\, dev
 eloped by Joel Brugger et al.    The maestro cell is a large volume cell w
 hich can run temperatures from 25 – 600 degrees C\,  and pressures from 
 1 to 600 bars.   The large volume cell allows us to study dilute metal ion
 s in solution such as geofliuds encountered in nature.\n\nThe second syste
 m is the Hydrothermal Diamond Anvil Cell (HyDAC).  This cell can impart pr
 essures between 0.1 – 5 GPa\, and temperatures 25 – 1000 degrees C.   
   The volume of the HyDAC is made larger than other DACs by milling into t
 he two diamonds.\n\nhttps://events01.synchrotron.org.au/event/3/contributi
 ons/762/
LOCATION: NCSS Exhibition Area
URL:https://events01.synchrotron.org.au/event/3/contributions/762/
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