Beste Arslan

4 Questions 8 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...

23 March 2017 2,415 2 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...

10 February 2016 7,876 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...

22 January 2016 6,299 4 View

How can I decrease As (V) to As (III) for HV-AAS analysis?

What is the best way to decrease Arsenic (V) to Arsenic (III) for HV-AAS analysis? I am used to use 2 ml % 20 KI and 2 ml HCI (37%) as explained in Schimadzu HVG-1 manual. However potassium iodide...

10 November 2015 1,764 3 View