pH Buffer Solutions, Hanna

Hanna’s solutions are made from established formulas and are standardized with a pH meter that is calibrated to the NIST primary standard solutions. The 20 ml pouches are ideal for infrequent calibrations or use in the field. The pouches are sealed to protect against entry of light or air. The pouches also have a temperature reference table. Accuracy is ±0.01 pH at 25°C.

Manufacturer : Hanna Instruments

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Cat.#DescriptionpH ValuepH ValueMfg.#PriceQuantityEstimated Availability
643-000-141010HI 70010P$40.08 PK / 25  
Ships from stock
643-000-30 4Certified 4HI 70004C$48.11 PK / 25  
Ships within one week
643-000-32 7Certified 7HI 70007C$48.11 PK / 25  
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643-000-3410Certified10HI 70010C$48.11 PK / 25  
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643-000-40Rinse SolutionHI 70000P$37.79 PK / 25  
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Parts & Accessories:

Cat.#DescriptionpH ValueMfg.#PriceQuantityEstimated Availability
643-000-10 4pH 4.01 buffer solution, 20ml sachetHI 70004P$40.08 PK / 25  
Ships within one week
643-000-12 7pH 7.01 buffer solution, 20ml sachetHI 70007P$40.08 PK / 25  
Ships within one week



    
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