Hi all I’m gingerly venturing into clay analysis.
I’ve done previous analyses on pre-separated clay fractions by resuspending the clay in a little ethanol and dripping onto a Si wafter to make an oriented mount (which is then also successively glycolated and heat treated). I have some upcoming work which will necessitate creating the clay fraction. I don’t have a centrifuge, so I have to separate the clay fraction by settling. The USGS methodology looks like a good method to follow: https://pubs.usgs.gov/of/2001/of01-041/htmldocs/methods/decant.htm After I’ve suctioned off the clay suspension, what is the best way to get at the clay? Leave it settle more? Evaporate the water? (I’m also in the middle of commissioning a spray-drier, so that will help with the random mounts.) Thanks Matthew Rowles
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