Accurate calibration of the pH meter is critical to many processes in any lab.  Lab Procurement Services can provide buffers to suit virtually any application at an affordable price - pH 1 or 11, 55 gallon drum or 20mL single-use foil pack, or any pH or size in between, we have you covered!

Visit our Electrochemistry equipment category, and Beakers, Flasks, and Sampling Supplies sections for other great values on lab supplies you may need.  Contact us with any questions or assistance.

pH Buffers

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  1. Buffer, pH 1.68, 4.00 L Cubitainer
    Manufacturer: Reagents Inc
    Buffer, pH 1.68, 4.00 L Cubitainer (1 per EA )
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    was $100.00 Special Price $74.52
  2. Buffer, pH 5.00, 20.00 L Cubitainer
    Manufacturer: Reagents Inc
    Buffer, pH 5.00, 20.00 L Cubitainer (1 per EA )
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    was $187.00 Special Price $140.40
  3. Buffer, pH 1.00, 1.00 L Poly natural
    Manufacturer: Reagents Inc
    Buffer, pH 1.00, 1.00 L Poly natural (1 per EA )
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    was $49.00 Special Price $36.72
  4. Buffer, pH 1.68, 20.00 L Cubitainer
    Manufacturer: Reagents Inc
    Buffer, pH 1.68, 20.00 L Cubitainer (1 per EA )
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    was $187.00 Special Price $140.40
  5. Buffer, pH 10.00, Blue, 4.00 L Poly natural
    Manufacturer: Reagents Inc
    Buffer, pH 10.00, Blue, 4.00 L Poly natural (1 per EA )
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    was $88.50 Special Price $65.88
  6. Buffer pH 7.00 Clear, 10.00 L Cubitainer
    Manufacturer: Reagents Inc
    Buffer pH 7.00 Clear, 10.00 L Cubitainer (1 per EA )
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    was $139.00 Special Price $104.76
  7. Buffer, pH 6.00, 4.00 L Poly natural
    Manufacturer: Reagents Inc
    Buffer, pH 6.00, 4.00 L Poly natural (1 per EA )
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    was $96.00 Special Price $72.36
  8. Buffer, pH 12.00, 10.00 L Cubitainer
    Manufacturer: Reagents Inc
    Buffer, pH 12.00, 10.00 L Cubitainer (1 per EA )
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    was $150.00 Special Price $112.32
  9. Buffer, pH 11.00, 4.00 L Poly natural
    Manufacturer: Reagents Inc
    Buffer, pH 11.00, 4.00 L Poly natural (1 per EA )
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    was $96.00 Special Price $72.36
  10. Buffer Solution, pH 1.68 +/- 0.02 @ 25 DEG C, Reference Standard
    Manufacturer: Spectrum Chemical
    Buffer Solution, pH 1.68 +/- 0.02 @ 25 DEG C, Reference Standard is an inorganic solution in water. Spectrum solutions utilize the highest quality raw materials appropriate to your product. Most raw materials meet or exceed the specifications established by the American Chemical Society. Where appropriate, many finished products are traceable to NIST Standard Reference Materials. Manufacturing, quality control testing, and packaging are all performed in Spectrum's own facilities. Record keeping and sample retention of all produced lots ensure product consistency and complete traceability.

    (1 per EA )
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    was $782.55 Special Price $636.76
  11. 500mL Blue Buffer Solution pH 10.0 @ 25°C, Poly Bottle
    Manufacturer: Midland Scientific
    500mL Blue Buffer Solution pH 10.0 @ 25°C, Poly Bottle (1 per EA )
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    was $21.75 Special Price $18.28
  12. 500mL Yellow Buffer Solution pH 7.0 @ 25°C, Poly Bottle
    Manufacturer: Midland Scientific
    500mL Yellow Buffer Solution pH 7.0 @ 25°C, Poly Bottle (1 per EA )
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    was $9.80 Special Price $7.94
  13. Buffer Solution, pH 2.00 +/- 0.02 @ 25 DEG C, Reference Standard
    Manufacturer: Spectrum Chemical
    Buffer Solution, pH 2.00 +/- 0.02 @ 25 DEG C, Reference Standard is a mixture of weak acid and its conjugate base in order to prevent changes in the pH of a solution. Buffer solutions let you calibrate any pH tester to ensure accurate readings when measuring pH in water samples and process liquids.

    (1 per EA )
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    was $69.25 Special Price $56.35
  14. Buffer Solution pH 13.0, 20L, Cubitainer®
    Manufacturer: LabChem
    Shelf Life (months): 12, Traceable to NIST, UN Number: (1 per EA)
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    was $492.70 Special Price $369.52
  15. Buffer Solution pH 9.0, 4L, Poly Bottle
    Manufacturer: LabChem
    Shelf Life (months): 24, Traceable to NIST, UN Number: (1 per EA)
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    was $142.80 Special Price $107.10
  16. Red-Four(TM) Buffer Solution, pH 4.01 +/- 0.01 @ 25 DEG C, Color-coded RED, Reference Standard
    Manufacturer: Spectrum Chemical
    Red-Four (TM) Buffer Solution, pH 4.01 +/- 0.01 @ 25 DEG C, Color-coded RED, Reference Standard (1 per EA )
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    was $138.60 Special Price $112.77
  17. pH 12.46 Calibration Buffer Solution 16oz
    Manufacturer: Apera Instruments
    pH 12.46 Calibration Buffer Solution 16oz (1 per EA )
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    was $28.00 Special Price $24.19
  18. Buffer Rinse Solution, In Portable Pouch, 20ml
    Manufacturer: Spectrum Chemical
    Buffer Rinse Solution, In Portable Pouch, a mixture of acid and its conjugate base, is used to prevent changes in the pH of a solution. These solutions are mainly utilized to keep pH at a constant value in a variety of chemical applications. Spectrum solutions utilize the highest quality raw materials appropriate to your product. Most raw materials meet or exceed the specifications established by the American Chemical Society. Where appropriate, many finished products are traceable to NIST Standard Reference Materials. Manufacturing, quality control testing, and packaging are all performed in Spectrum’s own facilities. Record keeping and sample retention of all produced lots ensure product consistency and complete traceability.

    (1 per EA )
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    $126.00
  19. Buffer, Hydrion(R), Dry, pH 10.00 +/- 0.02
    Manufacturer: Spectrum Chemical
    Buffer, Hydrion(R), Dry, pH 10.00 +/- 0.02 (1 per EA )
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    $91.15
  20. Buffer, pH 8.00, 4.00 L Poly natural
    Manufacturer: Reagents Inc
    Buffer, pH 8.00, 4.00 L Poly natural (1 per EA )
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    was $96.00 Special Price $72.36
  21. Buffer, pH 1.68, 1.00 L Poly natural
    Manufacturer: Reagents Inc
    Buffer, pH 1.68, 1.00 L Poly natural (1 per EA )
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    was $49.00 Special Price $36.72
  22. Buffer, pH 11.00, 20.00 L Cubitainer
    Manufacturer: Reagents Inc
    Buffer, pH 11.00, 20.00 L Cubitainer (1 per EA )
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    was $187.00 Special Price $140.40
  23. Buffer, pH 12.45, 20.00 L Cubitainer
    Manufacturer: Reagents Inc
    Buffer, pH 12.45, 20.00 L Cubitainer (1 per EA )
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    was $187.00 Special Price $140.40
  24. Buffer, pH 7.40, 4.00 L Poly natural
    Manufacturer: Reagents Inc
    Buffer, pH 7.40, 4.00 L Poly natural (1 per EA )
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    was $96.00 Special Price $72.36
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