Difference between revisions of "Zellner's paper"
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An indicating paper that is sensitive to [[ammonia%20%28anhydrous%29|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%20sodium|fluorescein sodium]]). The dried strips detect alkalis and ammonia at the part per million level. | An indicating paper that is sensitive to [[ammonia%20%28anhydrous%29|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%20sodium|fluorescein sodium]]). The dried strips detect alkalis and ammonia at the part per million level. | ||
| − | == | + | ==Resources and Citations== |
* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
Latest revision as of 10:47, 6 June 2022
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.
Resources and Citations
- 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