die Prüfsubstanz
Translation
test substances, reference substances
Examples
Das Labor analysiert verschiedene Prüfsubstanzen.
The laboratory analyzes various test substances.
Grammar Patterns
to test/examine ((sth.)) ((for sth.)) Man prüft die Substanz auf Reinheit.
Similar Words
Testmaterial (test material), Probe (sample)
Etymology
A compound noun from 'Prüf-' (testing, from 'prüfen') and 'Substanz' (substance).
Memory Tips
Literally a 'test (Prüf) substance (Substanz)'. Break it down into its two parts to understand the meaning.