45ml of 55% w/v sulphuric acid was taken. To hydrolyze 1gram of bleached mango wood cellulose. On addition of this powder to the sulphuric acid at 45°C , the mixture turned dark black! Whereas other article suggest that nanocellulose suspension should have been whitish? Why is it so?
Igors Sivacovs
Sulfuric acid solutions with high concentration usually carbonize organic compounds.
Can you share an article you follow?
My colleagues have had experience with selective hydrolyzation of amorphous part of cellulose and production of microcrystalline cellulose from different kind of sources.
But concentrations were 0,050-0,1% HCl or similar
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