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pH Buffers & Solutions

pH Buffers & Solutions

Products (228)

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  • NIST/DIN pH Buffer Solutions

    Mettler Toledo

    Single use calibration standards - use one sachet per calibration. Mettler products are intended for sale/shipment within the US only. International customers should contact their local Mettler distributor to place orders for Mettler products.

  • Buffer Solution, pH 5.00

    GFS Chemicals

    pH (@ 25°C) 5.00 +/- 0.02 NIST Traceable

  • Buffer, Precision Reference Standard, pH 7.000 ± 0.002 at 25°C (Color Coded Yellow)

    Ricca Chemical

    Need even tighter tolerances? Our precision line of pH Buffers has tolerances of +/- 0.005 pH unit or BETTER. Specially selected containers and proprietary manufacturing processes lead to the most accurate Buffers on the market. Tested in an ISO 17025 Accredited Laboratory.

  • Buffer, Reference Standard, pH 5.00 ± 0.01 at 25°C

    Ricca Chemical

    pH made Easy. Everything you need and want in a pH Buffer. NIST Traceability. Consistent, reliable performance. The tightest specification (+/- 0.01 pH unit) on all buffers. Long Expiration dates. Temperature conversion charts for all Buffers up to pH 11. Multiple sizes to fit your usage and budget...

  • Buffer, Reference Standard, pH 10.00 ± 0.01 at 25°C

    Ricca Chemical

    pH made Easy. Everything you need and want in a pH Buffer. NIST Traceability. Consistent, reliable performance. The tightest specification (+/- 0.01 pH unit) on all buffers. Long Expiration dates. Temperature conversion charts for all Buffers up to pH 11. Multiple sizes to fit your usage and budget...

  • Fluka Buffer solution pH 5.0 (20oC) citric acid / sodium hydroxide solution, with fungicide, traceable to SRM from NIST

    Honeywell Research Chemicals

    Chemical name: Buffer solution pH 5.0 (20 °C) Chemical synonyms: Sodium citrate buffer solution; Buffer solution from sodium citrate UN Number:

  • Buffer, Reference Standard, pH 2.50 ± 0.01 at 25°C

    Ricca Chemical

    pH made Easy. Everything you need and want in a pH Buffer. NIST Traceability. Consistent, reliable performance. The tightest specification (+/- 0.01 pH unit) on all buffers. Long Expiration dates. Temperature conversion charts for all Buffers up to pH 11. Multiple sizes to fit your usage and budget...

  • Buffer solution (potassium hydrogen phthalate)

    MilliporeSigma

    (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur®

  • Buffer Calibration Solutions

    Mettler Toledo

    Any pH measurement is only as accurate as the buffer solution used for calibration. These buffer solutions are traceable to primary standards set by NIST. Buffers 5001A40 through 5001A45 come with a quality assurance certificate per DKD and are particularly useful in quality assurance systems....

  • pH Buffer Powders

    Micro Essential

    Triple protective foil envelope of aluminum, polyethylene and paper which keeps the buffers dry and free flowing Makes a precise buffer solution when dissolved in 500 mL of distilled water Five envelopes per package 

  • FLUKA Buffer solution pH 12.0 (20 °C)

    Honeywell Research Chemicals

    di-sodium hydrogen phosphate / sodium hydroxide solution Synonym(s): Sodium phosphate buffer solution; Buffer solution from phosphoric acid/di-Sodium hydrogen phosphate; Phosphoric acid/di-Sodium hydrogen phosphate solution Density: 1.00 g/mL at 20 °C

  • FLUKA Buffer solution pH 10.0 (20°C)

    Honeywell Research Chemicals

    borax / sodium hydroxide

  • Fluka Buffer solution pH 7.0 (20oC) potassium dihydrogen phosphate / disodium hydrogen phosphate, with fungicide, traceable to SRM from NIST

    Honeywell Research Chemicals

    Chemical name: Buffer solution pH 7.0 (20 °C) Chemical synonyms: Potassium sodium phosphate buffer solution Density (g/cm3): 1 UN Number:

  • Buffer, reference standard pH 10.00±0.01 (25 °C)

    MilliporeSigma

    MDL Number: MFCD00130682 Storage: 15-25C Application: Buffer, reference standard has been used for pH meter calibration for adjusting pH of drug solutions and human neuroblastoma culture medium.

  • Buffer, Reference Standard, pH 1.07 ± 0.01 at 25°C

    Ricca Chemical

    pH made Easy. Everything you need and want in a pH Buffer. NIST Traceability. Consistent, reliable performance. The tightest specification (+/- 0.01 pH unit) on all buffers. Long Expiration dates. Temperature conversion charts for all Buffers up to pH 11. Multiple sizes to fit your usage and budget...

  • Buffer, Reference Standard, pH 9.18 ± 0.01 at 25°C

    Ricca Chemical

    pH made Easy. Everything you need and want in a pH Buffer. NIST Traceability. Consistent, reliable performance. The tightest specification (+/- 0.01 pH unit) on all buffers. Long Expiration dates. Temperature conversion charts for all Buffers up to pH 11. Multiple sizes to fit your usage and budget...

  • Buffer Standard, pH 6.00

    Exaxol

    Meets requirements of both ISO 17025 and ISO 17034 Certified Reference Materials, made under the strictest standards for stability, homogeneity, and accuracy Tested to tolerances of 0.01 pH units Supported by detailed Certificate of Analysis including temperature variation values and stated...

  • Buffer Rinse Solution

    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...

  • Certipur® Buffer Solution, pH 12.00

    MilliporeSigma

    (di-sodium hydrogen phosphate/sodium hydroxide) traceable to SRM from NIST und PTB pH 12.00 (25°C) Certipur®

  • Fluka Buffer Solution pH 10.0 (20 deg C)

    Honeywell Research Chemicals

    The Fluka 10 pH buffer solution helps in the efficient calibration of pH values in chemical samples. It comes in a plastic bottle and works at a temperature of 20 degree C. The calibrating of the pH value is carried out with standard buffer solutions (related to SRM by NIST) according to DIN 19266...

  • Fluka Buffer solution pH 6.865 (25oC) with fungicide, according to DIN 19266

    Honeywell Research Chemicals

    Chemical name: Buffer solution pH 6.865 (25°C) Density (g/cm3): 1 UN Number:

  • Buffer, Reference Standard, pH 4.45 ± 0.01 at 25°C

    Ricca Chemical

    pH made Easy. Everything you need and want in a pH Buffer. NIST Traceability. Consistent, reliable performance. The tightest specification (+/- 0.01 pH unit) on all buffers. Long Expiration dates. Temperature conversion charts for all Buffers up to pH 11. Multiple sizes to fit your usage and budget...

  • Buffer, pH 10.00, Blue, Standardized

    Reagents®

    Composition: Water 99.52%, Sodium Carbonate 0.26%, Sodium Bicarbonate 0.21%, Thymol 0%, Methyl Alcohol 0%, Calcocid Blue AX Double 0% Boiling Point: Approximately 100°C Density: 1 Melting Point: Approximately 0°C Color: Blue liquid Physical State: Liquid pH Range: 10 Solubility Information: Miscible...

  • Fluka Acetate buffer solution pH 4.6 sodium acetate / acetic acid, for complexometry

    Honeywell Research Chemicals

    Chemical name: Acetate buffer solution pH 4.6 Chemical synonyms: Sodium acetate buffer solution; Acetic acid-Sodium acetate buffer 1:1 pH 4.6 Chemical purity: =99.9% UN Number:

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