Description
Tris(hydroxymethyl)aminomethane sodium chloride buffer solution R1 pH 7.4 is a ready-to-use special buffer prepared according to Reag. Ph. Eur. 4.1.3 for pharmacopoeial and analytical laboratory practice. Designated as buffer solution R1, it combines tris(hydroxymethyl)aminomethane with sodium chloride to deliver stable buffering at pH 7.4 where this reagent grade is specified. Density is approximately 1 g/cm³ and the boiling point is 100 °C, in line with a water-based buffer system. The product is offered in a 1 l pack convenient for routine bench workflows, including sample preparation, method verification and quality-control testing. This R1 buffer from manufacturer Carl ROTH is part of the Ph. Eur. 4.1.3 pH-buffer portfolio supporting European Pharmacopoeia-oriented procedures. Laboratories rely on its defined composition when protocols call for tris–sodium chloride buffering near neutrality. The one-litre format provides a practical working volume for continuous analytical use while remaining easy to integrate into standard laboratory inventory and handling routines.
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
- pH value: 7,4
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Tris(hydroxymethyl)aminomethane sodium, chloride buffer solution R1 pH 7.4, 1 l
What is this article?
Tris(hydroxymethyl)aminomethane sodium, chloride buffer solution R1 pH 7.4, 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.
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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