Raneesha Navaretam

5 Questions 8 Answers 0 Followers

Questions related from Raneesha Navaretam

Can I use a 69% concentrated nitric acid for acid digestion instead of 65% nitric acid?

Does the purity of the nitric acid play any role in the acid digestion to determine heavy metals?

21 October 2022 8,636 6 View

How is sampling done for paddy plant parts and soil?

Good day. Referring to my question, I am interested to know 1. How is the sampling of soil and plant parts done in paddy plots? 2. How many samples are enough? What are the criteria to determine...

01 December 2021 1,735 5 View

What are the validated digestion method available for paddy soil and plant part digestion?

Good day all, Based on my question, I came across aqua regia (ISO 11466.3) digestion method (involving HCl and HNO3), USEPA 3050B (involving HCI, HNO3, H202). Besides that, there is also the EPA...

01 December 2021 5,515 0 View

Concentration for the amount of Fe and Arsenic extracted from the DCB extraction method?

Hi there, I am interested to know if there is a definite and exact value for the amount of Fe and Arsenic extracted using the DCB extraction method from the paddy root?

29 November 2021 1,357 9 View

How to measure As speciation in root iron plaque?

Hello everyone, I have a question regarding the As speciation in root iron plaque. Based on my reading DCB extraction is a well-known method however, it is an alkaline medium and I am facing...

01 January 1970 1,764 3 View