MACHEREY-NAGEL pH-Fix Stick pH Test Paper

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- It can be soaked in the solution until the discoloration is complete, so it is possible to measure the weak buffer.
- Because the stick is plastic, it has no capillary action and won't wet your fingers with harmful samples.
- Cellulose sections impregnated with different dyes (1~4 pieces) are individually crimped onto plastic sticks.