Description
Phosphate buffer solution pH 7.0 R1 is a special analytical buffer reagent conforming to Reag. Ph. Eur. 4.1.3. Designated as the R1 variant at pH 7.0, it is intended for laboratory procedures that specify this particular European Pharmacopoeia phosphate buffer composition. The aqueous preparation shows a density of approximately 1 g/cm³ and a boiling point of 100 °C. It is supplied as a 1 l plastic pack with a weight of 1,300 kg, convenient for regular analytical bench use. This phosphate buffer solution from manufacturer Carl ROTH forms part of the Ph. Eur. 4.1.3 pH-buffer range used in analytical chemistry. Laboratories select R1 material when methods or monographs call for phosphate buffer pH 7.0 R1 rather than related R2 or R3 designations. Stable pH near neutrality supports sample preparation and other controlled-pH steps within quality-oriented workflows. Clear product identification as pH 7.0 R1 helps avoid mix-ups between closely related pharmacopoeia buffer reagents stocked side by side.
This article is part of pH buffers & conductivity standards, in Buffers & pH solutions.
Key features
- Pack size: 1 l plastic
- Density: ~1 g/cm³
- Boiling point: 100 °C
- Designation: pH 7.0 R1
- pH value: 7,0
- UNSPSC: 41116107
- Technical Information Sheet:
- Safety Data Sheet:
Récemment consulté
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Questions about Phosphate buffer solution pH 7.0 R1
What is this article?
Phosphate buffer solution pH 7.0 R1 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 Produits chimiques.
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 Produits chimiques.
Shelves beside this one are Biological buffers (Tris, HEPES, MOPS) and Buffers (other).
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