Assertion: butane | /r/ObjectUse | used for extraction
Facets:
Source sentences:
text: In the open blasting method, the butane used for extraction is released into the atmosphere.
text: It gets this name from the fact that butane is the solvent used in the extraction, and that the final product commonly has a yellow-brown color and consistency similar to honey.
text: .000,000, 055 X .000, 0035 = .000,000,000,000,192 or 200 parts per quadrillion in the butane used for extraction.