| alkannin paper |
filter paper dipped in an alcoholic solution of alkannin; alkalis turn it blue, acids red.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| alkannin |
a red powder, the coloring ingredient of alkanet; used as a colorant and, in the form of alkannin paper as an indicator: alkalis turn the paper blue, acids red.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| alkannin p. |
filter paper dipped in an alcoholic solution of alkannin; alkalis turn it blue, acids red.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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