Indicator paper
volume
British pronunciation/ˈɪndɪkˌeɪtə pˈeɪpə/
American pronunciation/ˈɪndᵻkˌeɪɾɚ pˈeɪpɚ/

"indicator paper" 的定义和意义

Indicator paper
01

指示纸

a special paper treated with chemicals that change color in response to certain conditions, used to test for the presence of specific substances or measure pH levels
example
例子
examples
The indicator paper quickly changed from blue to green, signaling the presence of a base.
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