Beschrijving
NIST/DIN buffer pH 3.776 is a ready-to-use calibration solution designed for high-accuracy adjustment and verification of pH electrodes and meters in laboratory and process analytical environments. This buffer delivers a precisely defined acidic pH value of 3.776 and is supplied in a practical 250 mL pack with a net weight of 0,25 kg, making it suitable for routine multi-point calibration procedures. The solution is fully traceable to certified international SRM-NIST standards and conforms to DIN requirements, ensuring excellent measurement reliability and reproducibility. Produced by manufacturer Mettler-Toledo OnLine, the buffer is well suited to chemical analysis, pharmaceutical testing, environmental monitoring and other applications that demand a stable acidic reference point. Its gross weight of 0,286 kg reflects compact, robust packaging for safe handling and convenient laboratory storage. The ready-to-use format eliminates preparation steps while preserving the integrity of the certified reference linkage. Laboratories select this NIST/DIN pH buffer for consistent electrode calibration where accurate acidic standards are essential to maintain measurement system performance across scientific disciplines.
This article is part of pH buffers & conductivity standards, in Buffers & pH solutions.
Key features
- Pack size: 250 mL
- Product type: NIST/DIN pH buffer
- pH value: 3,776
- Traceability: SRM-NIST standards
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Questions about NIST/DIN Buffer pH 3.776 250mL
What is this article?
NIST/DIN Buffer pH 3.776 250mL is the article on this page. Luminix Health distributes Mettler-Toledo OnLine for laboratory use. It sits in pH-buffers & geleidbaarheidsstandaarden, inside Buffers & pH-oplossingen, 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-oplossingen. The sub-category is pH-buffers & geleidbaarheidsstandaarden. The catalogue is Chemicaliën.
Shelves beside this one are Biologische buffers (Tris, HEPES, MOPS) and Buffers (overig).
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