About: http://webisa.webdatacommons.org/273768588

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	Upon combining with alkali metal bases, hydrogen sulfide converts to alkali metal hydrosulfides and sulfides, such as sodium hydrosulfide and sodium sulfide, which are used in the degradation of biopolymers.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org