@prefix sampledescriptionvocabulary1: <https://purls.helmholtz-metadaten.de/skosmos/sdv/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <http://server/unset-base/> .

sampledescriptionvocabulary1:Hydrogen
  skos:prefLabel "Hydrogen" ;
  skos:definition "1. Hydrogen (H), a colourless, odourless, tasteless, flammable gaseous substance that is the simplest member of the family of chemical elements. The hydrogen atom has a nucleus consisting of a proton bearing one unit of positive electrical charge; an electron, bearing one unit of negative electrical charge, is also associated with this nucleus. (Brittanica). 2. Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H2, sometimes called dihydrogen,[11] hydrogen gas, molecular hydrogen, or simply hydrogen. It is colorless, odorless,[12] non-toxic, and highly combustible. Constituting about 75% of all normal matter, hydrogen is the most abundant chemical element in the universe. (Wikipedia)"^^ns0:None ;
  skos:broader sampledescriptionvocabulary1:ReducingAtmosphere ;
  a skos:Concept .

sampledescriptionvocabulary1:ReducingAtmosphere
  skos:prefLabel "Reducing atmosphere" ;
  a skos:Concept ;
  skos:narrower sampledescriptionvocabulary1:Hydrogen .