Hanna HI-70004P pH 4.01 Buffer Sachets, 25 x 20 mL sachets 755918447828 The innovative electrode design features

The innovative electrode design features an outer junction sleeve that can be removed and cleaned

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HI7031-023 is a GroLine 1

Automatic shut-off – Powers down after 8 minutes of non-use to conserve battery life

Hanna HI-70004P pH 4.01 Buffer Sachets, 25 x 20 mL sachets 755918447828 The innovative electrode design featuresHI 70004P 25 x 20ml sachets pH 4. 01 buffer solution The pH 4. 01 buffer solution is available in quick and easy to use 20ml sachets, one of the most commonly used buffer solutions. It is extremely stable and represents the mid way point in the acid range of the pH scale ideal for those requiring an accurate acid reading, particularly those working in water purification plants, the food industry, and wherever the pH is expected to be acidic. The