Collections & Archives

October 2013

Oct 2

Housing the Film Collection Part II

The A-D strips were placed in each film can and left for 24 hours at room temperature. The A-D strips levels are related to the amount of acetic acid (released when acetate film decays) in the air in parts per million. The strips begin blue and will change color according to the acetic acid. Green is fair, a yellow-green means rapid degradation,...
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