<http://webisa.webdatacommons.org/39963658>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/95488336>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/39963658> .
<http://webisa.webdatacommons.org/39963658>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/39963658>	<http://www.w3.org/ns/prov#value>	"Combinations of Modulating Agents may be a useful for example chelating agents may be usefully used in combination with another modulating agent such as an acid, a base or a buffer system or with various combinations of modulating agents." .