Qu Qu

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Questions related from Qu Qu

Do you know any reference regarding using filtration to replace HF-HCl to remove clays when extracting humic acid from soil?

Hi everyone, Thank you very much for your time to look at my question! On the IHSS (international humic substances society) website, filtration over a 0.2µm filter to remove the remaining...

19 October 2022 1,550 3 View

Why humic acid is easily oxidized under alkaline conditions?

Hi everyone, Thank you very much for your time to look at my question! When we prepare humic acid solution, we normally use N2 gas to protect HA from oxidization when adding NaOH to create an...

21 December 2020 5,557 5 View