From: Study on microbubble of cellulose acetate microfilm of the Republic of China (AD 1912–1949) collected in the Second Historical Archives of China
Without microbubbles
With microbubbles
Pre-drying weight (m1/g)
1.8749
1.4762
Post drying weight (m2/g)
1.8421
1.4151
∆m (g)
0.0327
0.0611
Moisture content (%)
1.72
4.14