Fosforsyre
type: Concept
notation: 661.25
broader: Syrer

Syrer, baser, salter
type: Concept
notation: 661.2-661.6
narrower: Syrer

Norsk WebDewey
type: ConceptScheme

Svovelsyre
type: Concept
notation: 661.22
broader: Syrer

Syrer
type: Concept
in scheme: Norsk WebDewey
modified: 2014-05-09
notation: 661.2
narrower: Svovelsyre
narrower: Salpetersyre
narrower: Saltsyre
narrower: Fosforsyre
created: 2010-02-04
alternative label: Syrer--kjemiteknikk
broader: Syrer, baser, salter

Salpetersyre
type: Concept
notation: 661.24
broader: Syrer

Saltsyre
type: Concept
notation: 661.23
broader: Syrer