Beste Arslan

5 Questions 10 Answers 0 Followers

Questions related from Beste Arslan

How can I test soil Eh (ORP) in the laboratory using platinum ORP probe?

Dear colleagues, I collected soil samples 6 months ago and after I homogenize and grind them I kept them in polyethylene bags. I want to check their Eh value now. However I suspect that long...

03 March 2017 7,219 3 View

Can anyone explain me how to determine actual concentration of As in digested soil sample, considering DF, WF, CF and VF ?

If I use 0.5 g soil + 9 ml HNO3 + 3 ml HCI for microwave digestion. And I take only 5 ml of supertant from this digest and dilute it to 25 ml, by adding 5 ml of 5 % KI and 5 % ascorbic acid for...

02 February 2016 502 6 View

Is there anybody who used Claisse Bee (Fusion Method) instead of microwave digestion to prepare solutions from soil and plant samples for AAS?

I want to detect As concentration in soil, plant and hair samples. However, microwave digestion is time consuming and my samples are not digested completely. Instead of microwave digestion, I...

01 January 2016 4,345 5 View

Is it normal to have precipitation after microwave digestion of soil? Is it the indication of incomplete digestion process?

After I digest my soil samples using EPA digestion procedures, I have some precipitation at the bottom of the vessels (see figure attached)? Does it show that my digestion process is not completed...

12 December 2015 5,215 13 View

Is it possible to check the cation exchange capacity of a soil after homogenization, sieving (<2 mm) and waiting for 6 months?

Dear colleagues, Is the cation exchange capacity test on soil samples carried out in a short time after collection of samples ? Does homogenization&sieving of the soil sample affect the CEC...

01 January 1970 6,969 5 View