| 释义 |
Schaffer test Schaf·fer test (shā'fĕr), a test for nitrites in the urine; urine is decolorized with animal charcoal and then 4 ml of a 10% solution of acetic acid and 3 drops of a 5% solution of potassium ferrocyanide are added; if nitrites are present, an intense yellow color will be produced. |