Description
Buffer solution DuraCal pH 7.00 (25 °C) is a colourless neutral calibration buffer for precise pH electrode calibration and pH-value determination. Referenced at 25 °C, it offers a stable pH 7.00 setpoint that is widely used as the central point in multi-point calibration schemes. Supplied as a ready-to-use 500 ml pack, the solution has a density of approximately 1 g/cm³ and a boiling point of 100 °C, in line with standard aqueous buffer properties. Each bottle is provided with a DAkkS certificate, supporting accredited traceability for regulated and quality-managed laboratories. This DuraCal buffer from manufacturer HAMILTON is intended for analytical chemistry, quality control, research and teaching applications that demand dependable physical-property measurements. The colourless appearance simplifies handling checks, while the 500 ml volume suits frequent daily calibrations. Employ this pH 7.00 standard wherever a certified neutral reference is needed within a broader set of DuraCal pH buffers.
This article is part of pH buffers & conductivity standards, in Buffers & pH solutions.
Key features
- pH value (25 °C): 7.00 ±0.02
- Pack size: 500 ml
- Density: ~1 g/cm³
- Boiling point: 100 °C
- Product type: pH buffer solution
- pH value: 7,00 (25 °C)
- Appearance: colourless
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Buffer solution DuraCal pH 7.00 (25 °C), colourless, with DAkkS certificate
What is this article?
Buffer solution DuraCal pH 7.00 (25 °C), colourless, with DAkkS certificate is the article on this page. Luminix Health distributes HAMILTON for laboratory use. It sits in pH buffers & conductivity standards, inside Buffers & pH solutions, in Lab chemicals.
A pH buffer for calibration has a stated pH at a stated temperature, often traceable. A conductivity standard has a stated conductivity. They are not general reagents and they should not be poured back into the bottle. The temperature of the measurement has to be the temperature on the label, or the meter has to compensate.
A buffer resists a change in pH when a little acid or base is added. It does that because a weak acid and its conjugate base are both present. A pH buffer used to calibrate a meter has a stated value at a stated temperature. A biological buffer such as Tris or HEPES is chosen because it holds the pH of a living system and does not poison it. Conductivity standards are the sister articles for a conductivity meter. The ions are on PubChem. Electrode calibration practice sits with EURAMET and BELAC.
Which category should I open next?
The category is Buffers & pH solutions. The sub-category is pH buffers & conductivity standards. The catalogue is Lab chemicals.
Shelves beside this one are Biological buffers (Tris, HEPES, MOPS) and Buffers (other).
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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