Assertion: hydrogen sulfide's concentration | /r/HasProperty | 200 μm.
Facets:
Source sentences:
text: so the concentration of probe in the mixed sample is 200 μM.
text: The mixture was then mixed with probe (stock of 2000 μM) infused into the device at a flow rate of 2.5 μL/min, so that the final concentration of probe after mixing was 200 μM.