Beschrijving
Sodium hydroxide solution ROTI®Star 0,2 mol/l - 0,2 N is a volumetric solution of sodium hydroxide (empirical formula NaOH, CAS number 1310-73-2) prepared at 0,2 mol/l (0,2 N). With a molar mass of 40,01 g/mol for NaOH, the aqueous volumetric solution has a density of 1,01 g/cm³ and a boiling point of 100 °C. It is offered in a 1 l plastic bottle for laboratory volumetric analysis, including acid-base titration and related quantitative procedures that call for this alkali concentration. The ROTI®Star volumetric solution from manufacturer Carl ROTH is identified under EG nr. 215-185-5 and UN number 1824. Defined sodium hydroxide volumetric solutions are established reagents in analytical chemistry for titrating acidic samples and for maintaining a known hydroxide concentration in aqueous methods. Molar mass, density and boiling point support accurate handling and laboratory documentation. The 1 l plastic pack is a practical unit for routine use of 0,2 N sodium hydroxide. This article sits in the ROTI®Star range of volumetric standard solutions used in quantitative laboratory work.
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