Unconverted lignin in filtrate was obtained by acidified precipitation with HCl until pH < 2. What exactly does this mean?

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Rajdeep Deka

Justin J. Bernhardt I am using methanol as the solvent. So I should remove the excess methanol by rotavap and then acidify the remaining?

Chinaza Godswill Awuchi

Kindly check https://www.sciencedirect.com/topics/engineering/acidic-precipitation

Danung Nur Adli

https://core.ac.uk/download/pdf/5177375.pdf

check this out.