1.09073

Sulfuric acid solution

c(H₂SO₄) 0.25 mol/l (0.5 N), ready-to-use volumetric solution for titration, Titriplex^®

• Sinónimos: Sulfuric acid solution
• Fórmula lineal: H₂SO₄
• Número de CAS: 7664-93-9
• Peso molecular: 98.08
• Beilstein: 2037554
• Número MDL: MFCD00064589
• Código UNSPSC: 12352301
• NACRES: NA.21

Propiedades

• product name: Sulfuric acid, c(H₂SO₄)=0,25MOL/L (0.5N) c(H₂SO₄) = 0.25 mol/l (0.5 N), Titripur^®
• Nivel de calidad: 200
• Línea del producto: Titripur^®
• formulario: liquid
• calidad: Analyzed in our ISO 17025 accredited QC lab
• idoneidad de la reacción: reaction type: Acid-base reactions
• envase: Titripac^® of
• concentración: 0.25 M
• técnicas: titration: suitable
• pH: 1.0 (20 °C in H₂O)
• densidad: 1.02 g/cm³ at 20 °C
• temp. de almacenamiento: 15-25°C
• cadena SMILES: OS(O)(=O)=O
• InChI: 1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
• Clave InChI: QAOWNCQODCNURD-UHFFFAOYSA-N

Descripción

Características y beneficios

Accreditation:
This volumetric solution is analyzed by our calibration laboratory D-K-15185-01-00 which is accredited according to DIN EN ISO/IEC 17025 for analysis of amount-of-substance concentrations in volumetric solutions by DAkkS (Deutsche Akkreditierungsstelle - German National Accreditation Body). The accreditation certificate can be found at www.sigmaaldrich.com/ISO17025.

Envase

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

Titripac^® packaging - all SKU-pack size numbers ending "4000, 4003, 9010, 9013" - more information on www.sigmaaldrich.com/Titripac

Nota de análisis

Form liquid
Amount-of-substance concentration 0.24875 - 0.25125 mol/L
Measurement uncertainty ± 0.00075 mol/L
Traceability NIST SRM

The concentration is determined by volumetric titration and refers to 20°C.
The amount-of-substance concentration of this volumetric solution is traceable to a primary standard reference material (SRM) from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 723 Tris(hydroxymethyl)aminomethane) by means of volumetric standard Tris(hydroxymethyl)aminomethane (article number 1.02408), certified reference material according to ISO 17034, analyzed by our accredited calibration laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO/IEC 17025. The uncertainty is expressed as expanded measurement uncertainty with a coverage factor k=2 covering a confidence level of 95%.

Note: The titer is a correction factor to correct for variations of the volumetric solution, the titration equipment, the temperature and other laboratory conditions. For correct titration results it is recommended to determine a titer with the laboratory specific equipment and under laboratory specific conditions directly after opening a new bottle and at regular time intervals.

Información legal

Titripac is a registered trademark of Merck KGaA, Darmstadt, Germany

Titripur is a registered trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

• Pictogramas: GHS05
• Palabra de señalización: Warning
• Frases de peligro: H290
• Consejos de prudencia: P234 - P390
• Clasificaciones de peligro: Met. Corr. 1
• Código de clase de almacenamiento: 8B - Non-combustible, corrosive hazardous materials
• Clase de riesgo para el agua (WGK): nwg
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable