Description
Nitric acid 4 mol/l – 4 N volumetric solution is a standardised laboratory reagent with CAS number 7697-37-2 and empirical formula HNO₃. It has a molar mass of 63,01 g/mol and a density of 1,128 g/cm³, providing a robust four-normal concentration for volumetric analysis. Supplied as 1 l in a plastic bottle from manufacturer Carl ROTH, the solution is designed for titration, calibration and quantitative procedures that benefit from a higher fixed strength. Dual labelling as 4 mol/l and 4 N aids clear stoichiometric planning and reduces preparation variability. Known density and composition facilitate method documentation and comparison across analytical platforms. This nitric acid volumetric standard suits analytical chemistry, industrial quality control and research laboratories needing a ready-made intermediate concentrate rather than diluting fuming or concentrated acid on site. It supports reproducible end-point work and routine assays where defined normality and reliable physical data are required.
This article is part of Volumetric standard solutions (titration), in Analytical standards & reference materials.
Key features
- Titer: 0.998-1.002
- CAS number: 7697-37-2
- Pack size: 1 l plastic
- EG nr.: 231-714-2
- Molar mass: 63,01 g/mol
- Density: 1,128 g/cm³
- UNSPSC: 12352301
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
DangerHazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about Nitric acid 4 mol/l - 4 N volumetric solution, 1 l
What is this article?
Nitric acid 4 mol/l - 4 N volumetric solution, 1 l is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Volumetric standard solutions (titration), inside Analytical standards & reference materials, in Lab chemicals.
A volumetric standard solution is a reagent of stated concentration for titration, such as a stated molarity of acid, base or silver nitrate. The factor or the exact titre is on the certificate. Using the nominal molarity when a factor is printed is a systematic error.
A reference material is the article against which another result is compared. Its value is stated, and the uncertainty of that value is part of the product. An ICP or ion standard is a solution of known concentration. A volumetric standard is for titration. A chromatography standard is the peak you match. The grade names, including pharmacopoeia and ASTM, say which impurities were limited. Identity is checked on PubChem. Names follow IUPAC. Medicinal grades follow the European Pharmacopoeia and USP.
Which category should I open next?
The category is Analytical standards & reference materials. The sub-category is Volumetric standard solutions (titration). The catalogue is Lab chemicals.
Shelves beside this one are ICP, AAS & ion standards, Chromatography standards (GC, HPLC, pesticides), Reference substances & reagents (other), Reagents for analysis (Ph. Eur., ASTM, DIN), Spectroscopy & physical property standards and Indicators & indicator solutions.
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