Description
Sulphuric acid 4 mol/l - 8 N volumetric solution is a standardised titrant prepared for quantitative volumetric analysis, with the empirical formula H₂SO₄ and CAS number 7664-93-9. Molar mass is 98,08 g/mol and density is 1,233 g/cm³. The product is supplied as a 1 l plastic pack for acid–base titrations and other laboratory procedures that call for an 8 N sulphuric acid volumetric solution. This reagent from manufacturer Carl ROTH is identified by EG number 231-639-5 and UN number 2796. Such volumetric standard solutions are widely used in quality-control, educational and industrial laboratories where a defined higher normality supports efficient titration workflows and clear stoichiometric calculations. Plastic packaging facilitates safe handling of the corrosive acid during routine bench work. With a stated concentration of 4 mol/l, the solution provides a reliable basis for reproducible endpoints and consistent analytical performance in classical wet chemistry and process-control applications.
This article is part of pH electrodes & sensors, in pH & electrochemistry.
Key features
- Amount-of-substance conc. (20 °C): 4 mol/l ±0.2 %
- Titer: 0.998-1.002
- CAS number: 7664-93-9
- Pack size: 1 l plastic
- EG nr.: 231-639-5
- Empirical formula: H₂SO₄
- Density: 1,233 g/cm³
- Molar mass: 98,08 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
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Questions about Sulphuric acid, 4 mol/l - 8 N volumetric solution, 1 l, plastic
What is this article?
Sulphuric acid, 4 mol/l - 8 N volumetric solution, 1 l, plastic is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in pH electrodes & sensors, inside pH & electrochemistry, in Lab instruments.
A pH electrode is a glass membrane and a reference. It is a consumable: the glass ages, the junction clogs, and the reading drifts. A refillable electrode and a gel electrode differ in how they are maintained. The connector has to match the meter. The electrode, not the meter, is usually what is wrong.
A pH meter is a voltmeter on a glass electrode. The voltage tracks hydrogen-ion activity, and the electrode is converted to pH only after it is adjusted with buffers of known value. Conductivity measures how well a solution carries a current, which for dilute salts tracks concentration. Dissolved oxygen and titration are further electrodes on the same idea: a sensor, a standard, and a reading that is only as fresh as the calibration. Buffer values and chemical identity sit on PubChem. Accreditation of the calibration laboratory is the field of BELAC and EURAMET.
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The category is pH & electrochemistry. The sub-category is pH electrodes & sensors. The catalogue is Lab instruments.
Shelves beside this one are pH meters, Conductivity meters & cells, Dissolved oxygen & multiparameter meters, Titrators & electrochemistry systems and pH & electrochemistry accessories.
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