Beschrijving
Phosphate buffer solution pH 11.3 0,1 M is a ready-to-use analytical buffer conforming to Reag. Ph. Eur. 4.1.3 for laboratory work that requires a defined alkaline phosphate system. Referenced under Ph. Eur. designation 4015400, the 0,1 M preparation supports calibration, control and standardised testing where European Pharmacopoeia alignment is specified. Density is approximately 1 g/cm³ and the boiling point is 100 °C, reflecting the aqueous character of the formulation. It is supplied in a 1 l unit suitable for routine analytical and quality-control workflows. This phosphate buffer from manufacturer Carl ROTH belongs to the special pH-buffer solutions prepared for Ph. Eur. 4.1.3 applications and delivers a stated pH of 11.3 at the given molarity. Laboratories can apply it directly within established procedures for electrode checks, method validation and related alkaline buffering tasks. Unit weight is 1,300 kg. Follow standard laboratory handling practice for aqueous phosphate buffers and review the safety data before use.
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
- Specification: Reag. Ph. Eur. 4.1.3 (4015400)
- Product type: Phosphate buffer solution pH 11.3 0,1 M
- UNSPSC: 41116107
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Phosphate buffer solution pH 11.3 0,1 M
What is this article?
Phosphate buffer solution pH 11.3 0,1 M 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 Chemicaliën.
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 Chemicaliën.
Shelves beside this one are Biological buffers (Tris, HEPES, MOPS) and Buffers (other).
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