Chelating agents, such as __________ have the added gain of preventin – McqOptions

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1.	Chelating agents, such as __________ have the added gain of preventing pulp dis-coloration by binding together with ferric ion that could otherwise form a colored complex with the phenolic lignin structure.
A.	a)Pulp
B.	b)Lignin
C.	c)Oxygen
D.	d)EDTA
Answer» E.

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