Description
Phosphate buffer solution pH 2.0 is a ready-to-use analytical buffer at 0,125 M, specified as Reag. Ph. Eur. 4.1.3 for laboratory procedures that need a defined acidic phosphate system. Density is approximately 1 g/cm³ and the boiling point is 100 °C, in line with dilute aqueous buffer media under standard bench conditions. The preparation is supplied in a 1 l pack suited to routine pH adjustment and reference work linked to European Pharmacopoeia chapter 4.1.3. This solution from manufacturer Carl ROTH belongs to the special pH-buffer solutions group used in analytical chemistry where a stable pH 2.0 setpoint is required. Source data list the preparation under designation 4015600. Unit quantity is 1 liter, with a stated weight of 1,300 kg for the filled pack, supporting straightforward storage and handling. Laboratories performing pharmacopoeia-related and general analytical workflows can deploy this phosphate buffer wherever controlled acidity at pH 2.0 is specified. Physical behaviour remains that of a typical dilute aqueous buffer, aiding predictable use in controlled laboratory environments.
This article is part of pH buffers & conductivity standards, in Buffers & pH solutions.
Key features
- Pack size: 1 l
- Density: ~1 g/cm³
- Boiling point: 100 °C
- Product type: Phosphate buffer solution pH 2.0
- Concentration: 0,125 M
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Phosphate buffer solution pH 2.0, 0,125 M, Reag. Ph. Eur. 4.1.3, 4015600, 1 l
What is this article?
Phosphate buffer solution pH 2.0, 0,125 M, Reag. Ph. Eur. 4.1.3, 4015600, 1 l is the article on this page. Luminix Health distributes Carl Roth 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.
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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).
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