| phenacetolin | A red powder, (C16H12)2; used as an indicator. It has a pH range of 5 to 6; being yellow at 5 and red at 6. (05 Mar 2000) |
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| phenacetolin |
a red powder used as an indicator: it has a pH range of 5 to 6, being yellow at 5 and red at 6.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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