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alkaline-reserve paper

Relationships
Broader Term: 

n. ~ Paper containing a buffering agent to counteract any increase in acidity resulting from aging or interaction with the environment.

Notes: 

Calcium or magnesium carbonate is often used as the buffering agent.

Citations:
(Roberts and Etherington 1982) Papers which are to remain acid free for long periods of time, e.g., 500 years, should have approximately 3% precipitated carbonate by weight of paper.