Assertion: original sediment | /r/AtLocation | nan
Facets:
value: to prevent microbial degradation of phe
type: PURPOSE
Source sentences:
text: The sediment sorption experi ments were carried out in almost exactly the same way as described above (temperature also 24.5 ± 0.2 °C), but now 50−100 mg dw (stripped and combusted) or 1 g dw (original) sediment was also added to the system as well as NaN 3 (100 mg) and HgCl 2 (10 mg) to prevent microbial degradation of PHE.