صافش
preferred label: filtration @en
type: Concept
related: کمک‌صافی

شیمی تجزیه
preferred label: analytical chemistry @en
type: Concept
narrower: کمک‌صافی

کمک‌صافی
related: صافش
broader: شیمی تجزیه
preferred label: filter aid @en
type: Concept