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German MN neutral litmus paper 91127
When the solution changes from acidic to alkaline, the test paper will change from red to blue. Litmus paper is the most well-known type of indicator
Product details
Parameters:pH
Measurement range:pH - 5.0–8.0
Color change:PH - Red → Purple → Blue
Length:70 mm
Width:10 mm
quality guarantee period:3 years
Storage temperature:4−30 ℃
Shipping specifications:100 sheets/box
Harmful substances:not have
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