Description
Sodium thiosulphate volumetric standard is a ready-to-use titration solution at 0,1 mol/l - 0,1 N, specified as Reag. Ph.Eur. for analytical work. With the empirical formula Na₂O₃S₂, this volumetric standard supports reliable redox and iodometric titrations in routine laboratory practice. Density lies between 1 and 1,1 g/cm³ and the boiling point is approximately 100 °C, consistent with an aqueous reagent matrix. Supplied in a 1 l pack, it is suited to environmental analysis, general measuring methods and titration workflows where a defined thiosulphate titre is required. The solution is offered from manufacturer Carl ROTH for laboratories that need a Ph.Eur.-grade volumetric standard without further preparation. Typical uses include standardisation steps, residual oxidant determinations and quality-control titrations in chemical and environmental laboratories. Clear concentration labelling (0,1 mol/l - 0,1 N) helps maintain traceable volumetric procedures across batches and instruments.
This article is part of Volumetric standard solutions (titration), in Analytical standards & reference materials.
Key features
- Amount-of-substance conc. (20 °C): 0,1 mol/l
- Measurement uncertainty: ±0,2 %
- Pack size: 1 l
- Empirical formula: Na₂O₃S₂
- Density: 1 to 1,1 g/cm³
- Boiling point: ~100 °C
- Concentration: 0,1 mol/l - 0,1 N
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Sodium thiosulphate volumetric standard, solution 0,1 mol/l - 0,1 N
What is this article?
Sodium thiosulphate volumetric standard, solution 0,1 mol/l - 0,1 N 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.
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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