"Reference Standard Buffers"
Buffers, Alkaline, Reference Standards, RICCA Chemical Company
Supplier: Ricca Chemical
Colorless buffers for pH calibration.
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Buffers, Reference standards, Acidic to Neutral, Ricca Chemical
Supplier: Ricca Chemical
Colorless pH buffer solutions are certified to ±0.01 pH at 25°C
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Buffers, Precision Reference Standards, RICCA Chemical Company
Supplier: Ricca Chemical
This precision line of pH Buffers offers tolerances of ±0.005 pH unit or better.
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Potassium tetraoxalate dihydrate, Certipur® certified sec. standard reference buffer solution, directly traceable to primary reference material (SRM) from NIST/PTB, Supelco®
Supplier: MilliporeSigma
Potassium tetraoxalate dihydrate, Certipur® certified sec. standard reference buffer solution, directly traceable to primary reference material (SRM) from NIST/PTB, Supelco®
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pH Reference Standard Buffers, VWR Chemicals BDH®
Supplier: BDH
BDH pH buffers are available as either colorless or colored solutions.
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Buffers, Reference Standards, Color-Coded, Ricca Chemical Company
Supplier: Ricca Chemical
Bag-in-box
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EndoToxFree™ PBS (1X), pH 7.4, USP Grade
Supplier: QUALITY BIOLOGICAL, INC.
EndoToxFree™ PBS (1X), USP Grade is a ready-to-use phosphate-buffered saline solution with endtoxin levels <0.005 EU/ml. This PBS formulation is manufactured with USP-grade ingredients. It is not a USP reference standard solution.
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Environmental Express® Oakton® CERTIFIED CRM One-Shot™ Buffer Solution Kit
Supplier: VWR International
Environmental Express Oakton pH buffers are Certified Reference Materials, making them one of the most accurate solutions available.
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Certipur® Certified sec. Standard Reference Buffer Solution Potassium Hydrogen Phthalate, directly Traceable to Primary SRM from NIST/PTB
Supplier: MilliporeSigma
Certipur grade, potassium hydrogen phthalate, directly traceable to primary SRM from NIST/PTB pH(S) = 4.005 (25 degree C).
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Certipur® Certified sec. Standard Reference Buffer Solution di-Sodium Tetraborate Decahydrate, directly Traceable to Primary SRM from NIST/PTB
Supplier: MilliporeSigma
Certipur grade, di-sodium tetraborate decahydrate, directly traceable to primary SRM from NIST/PTB pH(S) = 9.184 (25 degree C).
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Traceable® Certified Reference Material (CRM) pH Buffers, Control Company
Supplier: Antyila Scientific
Traceable® pH Standards, Certified Reference Materials, are 100% compatible with all instruments and probes
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Supelco® pH Buffer Solutions, MilliporeSigma
Supplier: MilliporeSigma
Certified reference material, traceable to NIST Standard.
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Certipur® Certified sec. Standard Reference Buffer Solution Potassium dihydrogen Phosphate/di-Sodium Hydrogen Phosphate, directly Traceable to Primary SRM from NIST/PTB
Supplier: MilliporeSigma
Certipur grade, potassium dihydrogen phosphate/di-sodium hydrogen phosphate, directly traceable to primary SRM from NIST/PTB pH (S) = 6.863 (25 degree C).
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Certipur® Certified sec. Standard Reference Buffer Solution Potassium Hydrogen Phosphate/di-Sodium Hydrogen Phosphate, directly Traceable to Primary SRM from NIST/PTB
Supplier: MilliporeSigma
Certipur grade, potassium hydrogen phosphate/di-sodium hydrogen phosphate, directly traceable to primary SRM from NIST/PTB pH(S) = 7.416 (25 degree C).
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Oakton® pH Buffer Solutions, Cole-Parmer
Supplier: Antyila Scientific
Ideal for laboratory and field analysis
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VeriSpec® Buffers,Certified Reference Material, RICCA Chemical Company
Supplier: Ricca Chemical
RICCA's premier line of Verispec® pH Buffer Certified Reference Materials provide the highest level of quality assurance. Backed by RICCA's 17034 accreditation, these products have undergone rigorous evaluations of manufacturing methods, quality control, stability and homogeneity. As a result, a certificate of analysis with a specified property value, uncertainty, and metrological traceability is available with every bottle. All three of RICCA's quality control laboratories are accredited to ISO/IEC 17025 for competence in laboratory testing and ISO 17034 for competence of reference material producers.
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Catalog #: CA21905-026
Supplier: Kimberly-Clark