Article · Wikipedia archive · Last revised Jul 18, 2026

Webster's test

The Webster's test is a qualitative urine test used to detect the presence of trinitrotoluene and its metabolites. The test was developed in 1917 by T. A. Webster in London as a way to test for trinitrotoluene poisoning. A positive test results in a purple color for the acidified urine samples.

Last revised
Jul 18, 2026
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Webster's test
Purposedetect presence of trinitrotoluene

The Webster's test is a qualitative urine test used to detect the presence of trinitrotoluene and its metabolites.1 The test was developed in 1917 by T. A. Webster23 in London as a way to test for trinitrotoluene poisoning. A positive test results in a purple color for the acidified urine samples.

References

References

  1. "HEALTH EFFECTS" (PDF). Retrieved 2023-11-01.
  2. Moore, B (1919). "Webster's Test for T.N.T. Derivatives in Urine". British Medical Journal. 1 (3047): 658. doi:10.1136/bmj.1.3047.658-a. PMC 2341277.
  3. "TRINITROTOLUENE POISONING". British Medical Journal: 842. 16 December 1916.