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Re-sealable bottle containing 500ml of pH buffer solution. These solutions are ready to use straight from the bottle and can be used for calibrating any pocket pH meter, or any pH meter with a conventional pH electrode.
Available in pH 4.01, pH 7.01 and pH 10.01.
* Care of your pH meter
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Well pleased! Excellent service as usual. Would also like to mention how prompt delivery is.
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