Calibration standards are essential tools in the laboratory for ensuring accurate measurements and maintaining the reliability of equipment. Lab Procurement Services carries an extensive range of electrochemistry, spectrophotometry, chromatography, calorimetry, and other standards to ensure that your instrumentation is providing consistent, dependable results. See our pH Buffers category for your Electrochemistry calibration needs, and give us a call if we can assist with additional products you may need!

Calibration Standards

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  1. Turbidity Standard Solution Set (20/100/400/800 NTU) for TN400 and TN480
    Manufacturer: Apera Instruments
    T200-1 Turbidity Standard Solution Set (20/100/400/800 NTU) for TN400 and TN480 (1 per EA )
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    was $149.00 Special Price $128.74
  2. 111.8 mS/cm Conductivity Calibration Solution 16 oz.
    Manufacturer: Apera Instruments
    111.8 mS/cm Conductivity Calibration Solution 16 oz. (1 per EA )
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    was $40.00 Special Price $34.56
  3. AMCO Turbidity Standard Calibration Solution Kit (20/100/400/800NTU) for TN500
    Manufacturer: Apera Instruments
    T500-1 Polymer AMCO Turbidity Standard Calibration Solution Kit (20/100/400/800NTU) for TN500 and TN420 (1 per EA )
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    was $149.00 Special Price $128.74
  4. pH Calibration Solution Kit 7.00, 4.00, 10.01 (16oz), plus CalPod Solution Organizer
    Manufacturer: Apera Instruments
    pH Calibration Solution Kit 7.00, 4.00, 10.01 (16oz), plus CalPod Solution Organizer (1 per EA )
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    was $45.00 Special Price $38.88
  5. Protelyte Storage Solution, 4oz.
    Manufacturer: Apera Instruments
    Protelyte pH Electrode Storage Solution, 4oz. The Apera Instruments Protelyte pH Electrode Storage Solution is used for storage and refilling with pH electrodes/probes that adopt Protelyte electrolytes, such as LabSen 821 and LabSen 823. The solution is a (1 per EA )
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    was $22.00 Special Price $19.01
  6. 12.88 mS/cm Conductivity Calibration Solution 16oz
    Manufacturer: Apera Instruments
    Standardized against NIST certified references at 25°C (77°F), ideal for the calibration of all types of conductivity meters Double-sealed, 1-Year shelf life Expiration date and Temperature/pH reference chart provided for reference Non-hazardous product (MSDS is downloadable) The Apera Instruments AI1121 12.88 mS/cm (12880 µS/cm) Standard Conductivity Calibration Solution is standardized against NIST certified references at 25°C (77°F). It's ideal for the calibration of all kinds conductivity meters. Since conductivity value are affected by temperature, the temperature & conductivity reference charts are provided on the bottle labels for your reference. All the solutions are double-sealed, not subject to the DOT shipping restrictions, and have a 1-year shelf life. The expiration date is printed on the bottle. MSDS is downloadable at support.aperainst.com; Certificate of Analysis can be achieved by requests. Note: Store at room temperature and away from direct sunlight. Keep the bottle tightly closed when not in use. Keep out of reach of children. (1 per EA )
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    was $30.00 Special Price $25.92
  7. 1413 µS/cm Conductivity Calibration Solution 16oz
    Manufacturer: Apera Instruments
    Standardized against NIST certified references at 25°C (77°F), ideal for the calibration of all types of conductivity meters Double-sealed, 1-Year shelf life Expiration date and Temperature/pH reference chart provided for reference Non-hazardous product (MSDS is downloadable) The Apera Instruments AI1121 1413 µS/cm Standard Conductivity Calibration Solution is standardized against NIST certified references at 25°C (77°F). It's ideal for the calibration of all kinds conductivity meters. Since conductivity value are affected by temperature, the temperature & conductivity reference charts are provided on the bottle labels for your reference. All the solutions are double-sealed, not subject to the DOT shipping restrictions, and have a 1-year shelf life. The expiration date is printed on the bottle. MSDS is downloadable at support.aperainst.com; Certificate of Analysis can be achieved by requests. Note: Store at room temperature and away from direct sunlight. Keep the bottle tightly closed when not in use. Keep out of reach of children. (1 per EA )
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    was $20.00 Special Price $17.28
  8. 12.88 mS/cm Conductivity Calibration Solution 8oz
    Manufacturer: Apera Instruments
    12.88 mS/cm Standard Conductivity Calibration Solution, 8oz. Standardized against NIST certified references at 25°C (77°F), ideal for the calibration of all types of conductivity meters Color-coded, Double-sealed, 1-Year shelf life Expiration date and Tem (1 per EA )
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    was $17.00 Special Price $14.69
  9. 1413 uS/cm Conductivity Calibration Solution 8oz
    Manufacturer: Apera Instruments
    1413 µS/cm Standard Conductivity Calibration Solution 8oz. Standardized against NIST certified references at 25°C (77°F), ideal for the calibration of all types of conductivity meters Color-coded, Double-sealed, 1-Year shelf life Expiration date and Tempe (1 per EA )
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    was $17.00 Special Price $14.69
  10. ORP Standard Solution, 222mv, 4oz.
    Manufacturer: Apera Instruments
    ORP Standard Solution, 222mv, 4oz. (1 per EA )
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    was $17.00 Special Price $14.69
  11. 3M KCl Storage Solution 4oz.
    Manufacturer: Apera Instruments
    3M KCL Storage Solution for pH/ORP Electrode (4oz.) This storage solution is for protecting regular pH and ORP electrodes/testers/sensors. pH/ORP electrodes that are stored dry will lose their sensitivity and accuracy temporarily. They can be restored by (1 per EA )
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    was $11.00 Special Price $9.50
  12. ORP Standard Solution (650mv) 8 oz.
    Manufacturer: Apera Instruments
    ORP Standard Solution (650mv) 8 oz. (1 per EA )
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    was $28.00 Special Price $24.19
  13. pH Calibration Solution Kit 7.00, 4.00 (16oz), plus Apera CalPod Solution Organizer
    Manufacturer: Apera Instruments
    pH Calibration Solution Kit 7.00, 4.00 (16oz), plus Apera CalPod Solution Organizer (1 per EA )
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    was $33.00 Special Price $28.51
  14. 12.88 mS/cm Conductivity Calibration Solution 4 oz.
    Manufacturer: Apera Instruments
    12.88 mS/cm Conductivity Calibration Solution 4 oz. (1 per EA )
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    was $17.00 Special Price $14.69
  15. AMCO 0.0NTU Standard Calibration Solution 100ml
    Manufacturer: Apera Instruments
    T500-2 AMCO 0 NTU Standard Calibration Solution 100ml Refill (1 per EA )
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    was $59.00 Special Price $50.98
  16. 1413 µS/cm Conductivity Calibration Solution 4 oz.
    Manufacturer: Apera Instruments
    1413 µS/cm Conductivity Calibration Solution 4 oz. (1 per EA )
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    was $11.00 Special Price $9.50
  17. 111.8 mS/cm Conductivity Calibration Solution 8 oz.
    Manufacturer: Apera Instruments
    111.8 mS/cm Conductivity Calibration Solution 8 oz. (1 per EA )
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    was $27.00 Special Price $23.33
  18. 3M KCl Storage Solution 8 oz.
    Manufacturer: Apera Instruments
    3M KCl Storage Solution 8 oz. (1 per EA )
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    was $17.00 Special Price $14.69
  19. 111.8 mS/cm Conductivity Calibration Solution 4 oz.
    Manufacturer: Apera Instruments
    111.8 mS/cm Conductivity Calibration Solution 4 oz. (1 per EA )
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    was $22.00 Special Price $19.01
  20. pH/EC Calibration solution kit, pH 7.00, 4.00,, 1413 uS, 12.88 mS, 8 oz, storage solution 4oz., CalBox included
    Manufacturer: Apera Instruments
    8oz pH/EC Calibration Solution Kit (pH 7.00, 4.00, 1413 µS, 12.88 mS), 4oz Storage Solution for pH/ORP Electrodes, plus Apera’s CalBox for easy calibration Standardized against NIST certified references at 25°C (77°F), ideal for the calibration of all typ (1 per EA )
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    was $66.00 Special Price $57.02
  21. 12.88 mS/cm Conductivity Calibration Solution 8oz
    Manufacturer: Apera Instruments
    Standardized against NIST certified references at 25°C (77°F), ideal for the calibration of all types of conductivity meters Double-sealed, 1-Year shelf life Expiration date and Temperature/pH reference chart provided for reference Non-hazardous product (MSDS is downloadable) The Apera Instruments AI1121 12.88 mS/cm (12880 µS/cm) Standard Conductivity Calibration Solution is standardized against NIST certified references at 25°C (77°F). It's ideal for the calibration of all kinds conductivity meters. Since conductivity value are affected by temperature, the temperature & conductivity reference charts are provided on the bottle labels for your reference. All the solutions are double-sealed, not subject to the DOT shipping restrictions, and have a 1-year shelf life. The expiration date is printed on the bottle. MSDS is downloadable at support.aperainst.com; Certificate of Analysis can be achieved by requests. Note: Store at room temperature and away from direct sunlight. Keep the bottle tightly closed when not in use. Keep out of reach of children. (1 per EA )
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    was $20.00 Special Price $17.28
  22. 84 µS/cm Conductivity Calibration Solution 8oz
    Manufacturer: Apera Instruments
    Standardized against NIST certified references at 25°C (77°F), ideal for the calibration of all types of conductivity meters Double-sealed, 1-Year shelf life Expiration date and Temperature/pH reference chart provided for reference Non-hazardous product (MSDS is downloadable) The Apera Instruments AI1121 84 µS/cm Standard Conductivity Calibration Solution is standardized against NIST certified references at 25°C (77°F). It's ideal for the calibration of all kinds conductivity meters. Since conductivity value are affected by temperature, the temperature & conductivity reference charts are provided on the bottle labels for your reference. All the solutions are double-sealed, not subject to the DOT shipping restrictions, and have a 1-year shelf life. The expiration date is printed on the bottle. MSDS is downloadable at support.aperainst.com; Certificate of Analysis can be achieved by request. (1 per EA )
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    was $14.00 Special Price $12.10
  23. pH/EC Calibration Solution Kit, pH 7.00, 4.00, 10.01, 1413uS, 12.88mS, 84uS, 8 oz, storage solution 4 oz, CalBox included
    Manufacturer: Apera Instruments
    8oz pH/EC Calibration Solution Kit (pH 7.00, 4.00, 10.01, 1413µS, 12.88mS, 84µS), 4oz storage solution for pH/ORP Electrodes, plus Apera’s CalBox for easy calibration Standardized against NIST certified references at 25°C (77°F), ideal for the calibration (1 per EA )
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    was $88.00 Special Price $76.03
  24. 1413 µS/cm Conductivity Calibration Solution 8 oz.
    Manufacturer: Apera Instruments
    1413 µS/cm Conductivity Calibration Solution 8 oz. (1 per EA )
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    was $14.00 Special Price $12.10
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