1592952556000 1312632483000 term-3375 1616541480480 1312632487000 1616290421063 adlib fitz-online adlib-term-3375 c7e08df9-d599-3041-8609-4452d564933d 2 1 scope note Use to describe materials having a pH of 7 or higher when the concern is that there be little or no acid present to accelerate aging or deterioration. D.DC.AFU.ALO.BCW.ALO 1 code D.DC.AFU.ALO.BCW.ALO 1 acid-free reference term-3390 adlib-term-3390 2c73566a-e9a2-3d8f-84d3-614774d8f47d chemical properties acid-free term