pH Calibration Buffers
The pH buffers are essential for routine pH meter calibration to capture accurate pH range of acid or base. Ready-to-use prepared solutions eliminate the time, expense, and contamination risks of mixing buffers. pH buffers can be used to identify weak acid, conjugate base, strong acid, blood pH etc. With colored and colorless pH buffer options available, researchers can efficiently select the correct indicating solution for any test. Powder pillows and sachets permit laboratories to store the concentrated substances for longer time periods without being affected.
pH Reference Standard Buffers, VWR Chemicals BDH®
Supplier: BDH
BDH pH buffers are available as either colorless or colored solutions.
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Acetate Buffer Solution, pH 4.0, VWR Chemicals BDH®
Supplier: VWR International
APHA 4500-C1 and ASTM 1253-91 for chlorine.
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Phosphate Buffer, pH 7.0, VWR Chemicals BDH®
Supplier: VWR International
Suitable for determination of chlorine.
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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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J.T.Baker®, pH Buffer Solutions
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
High quality buffer solutions ensure accurate pH measurements time after time.
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J.T.Baker® BAKER ANALYZED®, Buffer Solution, pH 7, Phosphate
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
This BAKER ANALYZED® Reagent is a phosphate buffer solution for laboratory, research, and/or manufacturing uses.
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J.T. Baker PharmaTest™, pH Buffer, Ammonia-Ammonium Chloride
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
Ammonia-ammonium chloride buffer, Pharmatest
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J.T.Baker® BAKER ANALYZED®, Buffer Solution, pH 7, Color Coded
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
This BAKER ANALYZED® Reagent is a phosphate buffer solution for laboratory, research, and/or manufacturing uses.
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VWR® Buffer Solutions
Supplier: VWR
These buffer solutions are for calibrating pH meters
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Macron Fine Chemicals™ BuffAR®, pH Buffer Solutions
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
Accurate to within ±0.01 pH at 25 °C (±0.02 for pH 9 and 9.18).
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Ward's® pH Buffer Kit
Supplier: Ward's Science
Includes 500 ml each of buffer solution pH 10, pH 4, and pH 7. Also includes 100 ml of electrode storage solution, KCl.
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Certipur® Buffer Solution (Di-Sodium Tetraborate), Traceable to SRM from NIST and PTB
Supplier: MilliporeSigma
Certipur grade, traceable to SRM from NIST and PTB pH 9.22 (20 degree C).
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Di-Sodium Hydrogen Phosphate Solution (Buffer Stock Solution), Certipur®
Supplier: MilliporeSigma
Buffer stock solution 1/15 mol/l
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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 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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Catalog #: CA21905-026
Supplier: Kimberly-Clark