Zellner's paper

Description

An indicating paper that is sensitive to ammonia and other alkaline materials. Zellner's paper is prepared in two steps. First it is dyed black with a substantive dye. Second it is soaked in a solution of soluble fluorescein (see Fluorescein sodium). The dried strips detect alkalis and ammonia at the part per million level.

Sources Checked for Data in Record

Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4195

Zellner's paper

Description

Sources Checked for Data in Record

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Zellner's paper

Description

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