Purity test (disambiguation)
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A purity test is a self-graded survey assessing one's participation in vices.
Purity test may also refer to:
- Purity test (politics), a standard used to determine in-group and out-group
- Metallurgical assay, the process of testing the purity of a metal
- Seed testing, the percentage of seed described on the label that is actually found in the quantity of seed