Assertion: lignite's use | /r/HasProperty | 0.1 m naoh
Facets:
Source sentences:
text: In the extraction process of humic acids following solutions were used: 0.1 M NaOH and 0.25 M NaOH, 0.1 M KOH and 0.25 M KOH, and 0.1 M Na 4 P 2 O 7 and 0.25 M Na 4 P 2 O 7 .