Assertion: glycerin | /r/ObjectUse | used as replacement
Facets:
value: sometimes
type: TEMPORAL
value: for water in ultrasonic testing
type: PURPOSE
value: for water
type: PURPOSE
Source sentences:
text: Glycerol can be sometimes used as replacement for water in ultrasonic testing, as it has favourably higher acoustic impedance (2.42MRayl vs 1.483MRayl for water) while being relatively safe, non-toxic, non-corrosive and relatively low cost.