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Chemical pulps consist of little or no lignin, whilst mechanical pulps consist of many of the lignin that was current within the Wooden used to make the pulp. Lignin is the most crucial source of coloration in pulp a result of the presence of a range of chromophores By natural https://blen08642.blogsumer.com/15079959/bělení-zubů-things-to-know-before-you-buy


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