Assertion: gel's alcohol | /r/HasProperty | buffer-saturated butanol
Facets:
value: usually
type: DEGREE
Source sentences:
text: The lower gel (separating gel) is poured first and covered with a few drops of a barely water-soluble alcohol (usually buffer-saturated butanol or isopropanol), which eliminates bubbles from the meniscus and protects the gel solution of the radical scavenger oxygen.