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Reagents, Buffers & Standards

pH & ORP Buffers

We offer many pH and ORP solutions including calibration kits, electrode reference fills, calibration solutions, pH solutions and pH buffer solutions.

67 Products

CPI-05942-10
Oakton Buffer Pack; 500 mL of each pH 4.01, 7.00, and 10.01
$37.05 $39.00

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CPI-00654-04
Oakton Buffer Solution, pH 7.00; 500 mL
$17.10 $18.00

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CPI-00654-00
Oakton Buffer Solution, pH 4.01; 500 mL
$17.10 $18.00

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LOV-726146
pH Buffer Solution 7.00 (25°C), NIST Traceable, Yellow, 500 ml
$12.45 $13.10

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CPI-35653-02
Oakton pH Calibration Buffer Pouches, pH 7.00; 20/Pk
$52.40 $65.50

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CPI-05942-44
Oakton Buffer Solution, pH 7.00; 1 gallon
$50.75 $58.00

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CPI-05942-15
Oakton pH Solutions Pack; pH 4.01/7.00/10.00, Storage/Cleaning, 500 mL each
$80.94 $92.50

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NTBU5007-P
Nova-Tech pH 7.00 Calibration Buffer Solution, 500 mL Bottle (each)
$13.58 $14.29

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NTBU5004-P
Nova-Tech pH 4.00 Calibration Buffer Solution, 500 mL Bottle (each)
$13.58 $14.29

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CPI-35653-04
Oakton pH Calibration Buffer Pouches, Assorted; 20/Pk
$56.40 $70.50

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CPI-05942-64
Oakton Buffer Solution, pH 10.01; 1 gallon
$50.75 $58.00

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CPI-05942-62
Oakton Buffer Solution, pH 10.01; 1000 mL
$27.55 $29.00

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CPI-05942-42
Oakton Buffer Solution, pH 7.00; 1000 mL
$27.55 $29.00

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CPI-05942-24
Oakton Buffer Solution, pH 4.01; 1 gallon
$50.75 $58.00

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CPI-35653-03
Oakton pH Calibration Buffer Pouches, pH 10.00; 20/Pk
$51.12 $63.90

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CPI-35653-01
Oakton pH Calibration Buffer Pouches, pH 4.01; 20/Pk
$47.60 $59.50

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CPI-05942-22
Oakton Buffer Solution, pH 4.01; 1000 mL
$27.55 $29.00

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CPI-00654-08
Oakton Buffer Solution, pH 10.01; 500 mL
$17.10 $18.00

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LOV-726116
pH Buffer Solution 4.00 (25°C), NIST Traceable, Red, 500 ml
$12.45 $13.10

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CPI-00651-06
Oakton Traceable® pH Standard Buffer with Calibration, Red, pH 4; 500 mL
$24.70 $26.00

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NTES9470-P
Nova-Tech pH Electrode Storage Solution, 500 mL Bottle (each)
$23.95 $25.21

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NTBU5010-P
Nova-Tech pH 10.00 Calibration Buffer Solution, 500 mL Bottle (each)
$13.58 $14.29

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LOV-726176
pH Buffer Solution 10.00 (25°C), NIST Traceable, Blue, 500 ml
$12.45 $13.10

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CPI-00651-08
Oakton Traceable® pH Standard Buffer with Calibration, Yellow, pH 7; 500 mL
$24.70 $26.00

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Select up to 4 items to compare.