FAQ

Are the calibration liquids JBL buffer solution pH 4.0 and JBL buffer solution pH 7.0 colour coded to avoid confusion?

Yes, the calibration liquids JBL buffer solution pH 4.0 and JBL buffer solution pH 7.0 are colour coded:

JBL buffer solution pH 4.0 – yellowish colour

JBL buffer solution pH 7.0 – light blue colour

Should the colours not be recognizable, please replace the calibration liquids.

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