Alexander Greig

4 Questions 1 Answers 0 Followers

Questions related from Alexander Greig

Running volcanic ash through raman spectrometer?

Hi all, I am wondering how you would run volcanic ash samples through a raman spectrometer. Specifically, what apparatus would you use to hold the sample while the raman spectrum is being collected?

08 August 2019 929 2 View

Can the Sauter mena be used to estimate the surface area of a sample of particles?

I am wondering if the Sauter mean can be used to estimate the surface area of a sample pf volcanic ash that I am analysing? I know that the result will be reasonably arbitrary but, for what I am...

03 March 2017 2,219 2 View

Can the surface area of a sample of volcanic ash be calculated from the Particle size distribution

I am wondering if it is possible to calculate the surface area (assuming all particles are spherical) from a particle size distribution.

03 March 2017 4,262 2 View

I am wondering if anyone can explain what 'Xylem pressure potential' means?

Specifically I am wondering what the increases and decreases in 'Xylem pressure potential' mean in relation to the transpiration of plants and soil water potential?

05 May 2016 10,053 0 View