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To obtain precise and valid measurements, the pH meter and pH electrode must be calibrated at a minimum of 2 different points, close to the value of the sample to be tested.

Hanna instruments offers a complete range of pH buffer solutions that will satisfy all your calibration needs. These solutions have been prepared for all those applications that require very accurate ph monitoring, and are also available with certificates of analysis prepared by comparison against the NIST standards.

Available in bottles of 0.5 L, 1.0 L & 1 Gallon (3.78 L).




Displaying items 21 - 30 of 30
SKU Name Size MSRP Our Price  
HI 5010-V : Technical Calibration / Buffer Solutions with cert. - pH 10.00 Violet, +/- 0.01 pH, Bottle, 1 x 500 mL
HI5010-VHI 5010-V : Technical Calibration / Buffer Solutions with cert. - pH 10.00 Violet, +/- 0.01 pH, Bottle, 1 x 500 mL
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1 x 500 mL $25.00 $25.00 More Details
HI 5010-V08 : Technical Calibration / Buffer Solutions with cert. - pH 10.00 Violet, +/- 0.01 pH, Bottle, 1 x 1 gal
HI5010-V08HI 5010-V08 : Technical Calibration / Buffer Solutions with cert. - pH 10.00 Violet, +/- 0.01 pH, Bottle, 1 x 1 gal
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1 x 1 gal $80.00 $80.00 More Details
HI 5011 : Technical Calibration / Buffer Solutions with cert. - pH 11.00 +/- 0.01 pH, Bottle, 1 x 500 mL
HI5011HI 5011 : Technical Calibration / Buffer Solutions with cert. - pH 11.00 +/- 0.01 pH, Bottle, 1 x 500 mL
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1 x 500 mL $25.00 $25.00 More Details
HI 5012 : Technical Calibration / Buffer Solutions with cert. - pH 12.00 +/- 0.01 pH, Bottle, 1 x 500 mL
HI5012HI 5012 : Technical Calibration / Buffer Solutions with cert. - pH 12.00 +/- 0.01 pH, Bottle, 1 x 500 mL
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1 x 500 mL $25.00 $25.00 More Details
HI 5013 : Technical Calibration / Buffer Solutions with cert. - pH 13.00 +/- 0.01 pH, Bottle, 1 x 500 mL
HI5013HI 5013 : Technical Calibration / Buffer Solutions with cert. - pH 13.00 +/- 0.01 pH, Bottle, 1 x 500 mL
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1 x 500 mL $25.00 $25.00 More Details
HI 5016 : Technical Calibration / Buffer Solutions with cert. - pH 1.68 +/- 0.01 pH, Bottle, 1 x 500 mL
HI5016HI 5016 : Technical Calibration / Buffer Solutions with cert. - pH 1.68 +/- 0.01 pH, Bottle, 1 x 500 mL
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1 x 500 mL $25.00 $25.00 More Details
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HI5068HI 5068 : Technical Calibration / Buffer Solutions with cert. - pH 6.86 +/- 0.01 pH, Bottle, 1 x 500 mL
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1 x 500 mL $25.00 $25.00 More Details
HI 5074 : Technical Calibration / Buffer Solutions with cert. - pH 7.40 +/- 0.01 pH, Bottle, 1 x 500 mL
HI5074HI 5074 : Technical Calibration / Buffer Solutions with cert. - pH 7.40 +/- 0.01 pH, Bottle, 1 x 500 mL
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1 x 500 mL $25.00 $25.00 More Details
HI 5091 : Technical Calibration / Buffer Solutions with cert. - pH 9.18 +/- 0.01 pH, Bottle, 1 x 500 mL
HI5091HI 5091 : Technical Calibration / Buffer Solutions with cert. - pH 9.18 +/- 0.01 pH, Bottle, 1 x 500 mL
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1 x 500 mL $25.00 $25.00 More Details
HI 5124 : Technical Calibration / Buffer Solutions with cert. - pH 12.45 +/- 0.01 pH, Bottle, 1 x 500 mL
HI5124HI 5124 : Technical Calibration / Buffer Solutions with cert. - pH 12.45 +/- 0.01 pH, Bottle, 1 x 500 mL
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1 x 500 mL $25.00 $25.00 More Details
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