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Buffer Solutions are used with MA-260 Portable pH Meter and MA-258 Standard Pen pH Meter in 3-point calibration of each unit’s electrode with the appropriate buffers. Buffer solution is available in 250ml bottles, and sold as MAA-192 4.01, MAA-194 7.00 and MAA-196 10.01 pH Buffer Solution for pH Meters. MAA-190 pH Electrode Protection Solution for pH Meters is available in a 125ml bottle and used with MA-257 Economy Pen pH Meter to condition the pH electrodes. The Pen is immersed in the solution for one hour prior to first use.
pH Buffer Solution: 250ml
pH Electrode Storage Solution: 125ml
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