| http://www.w3.org/ns/prov#value | - Sulfonated lignin , both of hardwood and softwood origin, may be utilized herein in the ???as-is??? or whole liquor condition, or in a purified form, partially or fully devoid of sugars as noted previously herein, or additionally of inorganic constituents such as sodium chloride, sodium sulfate, sodium sulfite, and various other ionic species or salts.
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