Is there a standard protocol to prepare: standardized Hydrochloric acid, (0.1 - 1.0) N ethanolic solution?

I need to prepare a standardized Hydrochloric acid, 0.1 N ethanolic solution . What are the procedures? Is there a standard protocol for that?

27 November 2017 4,642 4 View

Can anyone tell me if I can use Rocscience to model stone columns?

07 August 2017 2,433 0 View

How can I observe the deformation of a sand column when tested in a steel cylindrical tank?

I have seen others using plaster of paris when testing stone columns but this will not work for sand columns since the air voids will be too little. Any suggestion please on how the deformation...

31 December 2016 2,380 0 View

Where can I find information about the theory of stone columns in geotechnical engineering?

What will be a good book or paper to look at to understand the theory behind the behaviour of stone columns? Thanks in advance.

04 May 2015 1,966 13 View

How to improve the buffer capacity of sea water?

Hello everyone I would like to improve the buffer capacity of seawater (pH ~8) in order to dissolve as much CO2 as possible without dropping the pH below 7.5 (a range between 7 - 7.5 is...

17 February 2021 2,797 2 View

Why and how to avoid negative values in optical density by spectrophotometry when measurements corrected by blank solvent?

I am trying to assess chlorophyll-a content from coral tissue using spectrophotometry (with SPECTROstar Nano, BMG). However, I always seem to obtain some negative values in my optical density raw...

20 January 2021 1,542 4 View

How can Sea water impact the hydrodynamic size of Nanoparticles differently than the same Sea water if it is autoclaved?

I am using the same sea water as autoclaved as well as non-autoclaved after adding the nanoparticle. I am getting different Hydrodynamic size for the same nanoparticle.

06 January 2021 3,184 3 View

Which configuration of seawater treatment is better?

Hi world, I have a curious question about desalination of seawater. Since seawater contains a alarming amount of suspended solids and salt (35 ppt). Which of these configuration is more viable...

03 January 2021 2,383 2 View

Is there a way to automatically gather surface area from a 3D model based on color/texture?

I have been constructing 3D models of large corals and I was wondering if there is a software that I can use to gather the area of live tissue vs dead/disease? I am aware there is a way by tracing...

17 December 2020 6,991 1 View

Could u help with different techniques installed across the world to prevent jelly fish ingress problems in sea water intake syts desalination plant?

jelly fish ingress is a major problem affecting the sea water intake systems leading to plant outages in power plants and desalination plants. can anyone through some insight on installed and...

15 December 2020 6,643 4 View

How can sea water be used as an input for green hydrogen production?

If you extract sea water, and filter it, would it be suitable as an input for green hydrogen production? From an electrochemical perspective, would this be the only process step required?

13 December 2020 2,665 8 View

What is the most controllable (marine) bacterial culture you can cultivate in simulated seawater?

02 December 2020 6,796 3 View

Why only less than .3 mm sieved samples are considered in microplastics observation???

Basically, I was looking for the laboratory method for microplastics observation from a seawater sample and beach sample. Most of the cases, they followed some criteria to get a precise amount of...

09 November 2020 8,485 6 View

Hi I want to ask about electrolysis of seawater that using copper and graphite electrode to get hydrogen gas is it better to use copper or graphite?

I already do the research about electrolysis of seawater using the graphite-graphite and graphite-copper to compare each electrode to see which one can produce hydrogen gas better. The data that I...

29 October 2020 3,493 3 View