What is the most reliable digestion method for bio-materials for assessing biotoxicity (knowing that many toxic metal compounds are insoluble)?

Where to find data on trees in tropical agroforestry?

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28 February 2021 7,356 8 View

Where can I find raw quantitative datasets on ecosystem services?

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19 February 2021 5,911 2 View

Resume Book UEP2013 Asian Edition, dis somebodey has it?

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11 February 2021 2,247 2 View

How to compare different models with different inputs and data length?

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11 February 2021 7,986 6 View

Having trouble with qPCR amplification plots. My curve's never seem to reach a plateau. Any ideas?

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04 February 2021 1,138 3 View

Which LCIA method is most suitable for assessing the impacts of nitrate leaching in groundwater (eutrophication )?

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16 January 2021 5,182 7 View

Can you suggest literature studying the conditions information and evidence can influence manager decisions in social impact sectors?

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16 January 2021 1,120 5 View

Can you recommend literature on factors influencing public acceptability and political feasibility of consumer-related regulatory policy instruments?

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08 January 2021 3,579 6 View

What is the best way to identify whether a certain substance is present in a mixture based on Raman spectra?

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08 January 2021 841 5 View

Environmental ethics, environmental values are their foundations. What is the core of environmental ethics?

the basis of environmental ethics is a value orientation on the influence of human actions

05 January 2021 7,984 6 View

Bing Xu

I suggest that the organic samples should be ashed, and then digested by HNO3. The aqua regia sometimes can not digest total organic matter, particularly for large samples.

Uriah Alexander Lar

Thanks Bing Xu. I am sure this has worked for you, so I will try it and compare with results from aqua regia digestion.