Fig. 4From: The significance of sample preparation of historical and contemporary poly(vinyl chloride) objects to investigate the distribution and changes of molar mass by SEC-MALS-dRIA boxplot for the distribution of the aggregate ratio in the 57 PVC objects in the investigated collection. On the left the distribution of the whole collection is presented, while on the right of it, the distributions of the aggregate ratio of objects according to the categories are presented. Dashed lines separate different categories by which the objects were comparedBack to article page