hard base
type: Concept
broader: base
preferred label: باز سخت @fa

base
type: Concept
broader: analytical chemistry
narrower: hard base
preferred label: باز @fa
related: basicity

basicity
type: Concept
preferred label: بازینگی @fa
related: base

analytical chemistry
type: Concept
narrower: base
preferred label: شیمی تجزیه @fa