About: http://webisa.webdatacommons.org/96931373

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, since gelatin or glue is a natural polymer, it is difficult to obtain gelatin or glue which has a constant distribution of molecular weight or a constant concentration of amino group necessary for dyeing with acid dyes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au