Mark Hiemenz

5 Questions 7 Answers 0 Followers

Questions related from Mark Hiemenz

How to get Kd values from surface complexation parameters?

I have data on metal sorption to sediment surfaces that contain site densities and equilibrium constants (non-electrostatic general surface complexation models), but I would like to get general Kd...

04 April 2018 9,652 0 View

Is there a point of zero charge database for minerals?

I need to know pzc for a couple of pure mineral phases. Tried google, but couldn't find a good database. Is there such a thing? If so where can I find it?

02 March 2018 2,308 2 View

Double checking pCO2 to alkalinity conversions?

I needed to calculate mg/l CaCO3 values from partial CO2 pressures, but I'd like to double check with others to see if I did it correctly since the books aren't always clear on that. I used the...

05 October 2017 8,274 8 View

Can I calculate porosity from tracer breakthrough data in a soil column?

I ran a column experiment with a tritium tracer and am trying to find out the porosity of the soil. Unfortunately, I discarded the soil inside the column already without measuring the mass used....

02 February 2017 318 8 View

How do I calculate the calcite saturation index by hand

I have pH (6.5ish), [Ca] (~400 mg/l) and alkalinity (~360 mg/l), but when I try to do this with the formula that was given to me I get nonsense results.

23 January 2017 4,356 6 View