Buffers, 4.01
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Buffer Calibration Solutions
Mettler ToledoAny 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.…
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Buffer Standard, pH 4.01
ExaxolMeets 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…
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pH Buffer Solutions
Ohaus1.68, 4.01, 6.86, 7.00, 9.18, 10.01, and 12.45 buffer solutions are available in 250 mL bottles.
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The YSI pH buffer solution is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage.
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pH Buffers Solutions
HachHach calibration pH buffers are available in a variety of color-coded or colourless solutions, in different packaging types and sizes from 15 mL up to 20 L. pH buffers are also available in convenient single-use pouches (Singlet) and unit-dose powder pillows for on-site and field analyses ensuring…
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Buffer solution (potassium hydrogen phthalate)
MilliporeSigma(potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur®
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Orion® pH Buffers
Thermo Scientific OrionOrion pH buffers are manufactured under ISO 9000 quality standards. Buffers are color-coded for ease of use, packaged with buffer/temperature tables for accurate calibrations and NIST traceability. All-in-One Buffer kit (1233M21) includes pint bottles of 4 (pink), 7 (yellow) and 10 (blue)…
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BuffAR pH 4.01 Reference Solution, StandARd
Avantor - Macron Fine Chemicals™Specific Gravity: 1L = 1.00 Kg
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DuraCal pH Buffers
HamiltonOur complete range of patented buffer solutions provide pH stability of up to five years. High buffering capacity provides rapid and stable calibration.
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BuffAR pH 4.01 Reference Solution, StandARd
Avantor - Macron Fine Chemicals™Color Coded Red Specific Gravity: 1L = 1.00 Kg
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pH Buffer Solutions
OaktonChoose from economical solution bottles or individually sealed pH buffer pouches. NIST traceable materials Labeled with pH vs. temperature tables for accurate calibration All Oakton pH buffer solutions are freshness dated, and standardized against NIST-traceable references to…
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Technical buffering solutions for pH 4.01, pH 7.00 and pH 10.01: pH 4.01, pH 7.00 and pH 10.01 are available in the practical 50mL bottles as well as in 1L special bottles with dosing device and pour spout. The buffer 10.0 is a special case: It is only still suitable for…
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Technical pH Buffers
Mettler ToledoAll METTLER TOLEDO calibration and cleaning solutions are available in handy bottles with no-fuss labels. Specialties for specific requirements Using our sachets guarantees fresh solution for every calibration as well as maximum ease of use. Every sachet box comes with a printed…
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Buffer, pH 4.01 - Color Coded Red, Standard
Ultra ScientificStandardized against NIST certified pH 4.01 and pH 6.86 reference samples.