Assertion: pyrimidine | /r/HasProperty | 0.25–2 mm
Facets:
Source sentences:
text: To determine whether the yield of waste product was proportional to the starting concentration of pyrimidine (0.25–2 mM), malonic acid was added (to 1 mM) to cell supernatants (4 ml) as an internal standard immediately before they were extracted with ethyl acetate, and the ratio of waste product to malonic acid was determined as detailed below.