Fleitmann test

Fleit·mann test

(flīt'mahn),
an obsolete test for arsenic; hydrogen is generated in a test tube containing the suspected fluid; the fluid is heated and a piece of filter paper moistened with silver nitrate solution is held over the top; if arsenic is present, the moistened paper is blackened.

Fleitmann,

Theodore, 19th century German chemist.
Fleitmann test - a test for arsenic.