Assertion: technical calcium carbide | /r/HasProperty | gas 260 l/kg
Facets:
Source sentences:
text: Under stirring is added 640 g of technical calcium carbide (gas 260 l/kg) in the form of pieces of a size of 2-4 mm, the Mixture is gradually heated from 20 to 79°and separation of acetylene and vapors of ethyl alcohol.
text: Under stirring is added 110 g of technical calcium carbide (gas 260 l/kg) in the form of pieces of a size 6-8 mm.