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- Order number: 0645
Indicator paper for PH value test PH 0-14
Roll tin with 6 m indicator paper for determining acidic or basic (alkaline) residues after chemical line cleaning.
PH test within a few seconds
With instructions.
Instructions:
Turn the top counterclockwise to pull out a desired length of indicator paper. After turning back, separate the strips and then immerse them in the solution to be tested for 1 to 2 seconds.
The wet strip is now compared with the color scale and assigned to the corresponding pH value.
At pH value 7, one would have a neutral solution.
The two border indicators on the outer left (green) and outer right (blue) do not change color between pH 8 and pH 11.
The original blue border indicator changes color at pH values greater than 11.
The color chart can be found on the back of the indicator paper.
Acidic pH 0 to pH 6
Neutral pH 7
Basic (alkaline) pH 8 to pH 14