Assertion: feed grade urea | /r/HasProperty | 62.5 g
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Source sentences:
text: EXAMPLE 6 Feed grade urea, 62.5 g, was mixed with 40 g of water, 4 g of glacial acetic acid and 40 g of freshly distilled furfural (mole ratio of furfural to urea about 0.4/1 and stirred at room temperature until the mixture thickened (about one-half hour).