1.09073
Sulfuric acid solution
c(H₂SO₄) 0.25 mol/l (0.5 N), ready-to-use volumetric solution for titration, Titripur®
Synonyme(s) :
Sulfuric acid solution
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A propos de cet article
Nom du produit
Acide sulfurique solution, c(H2SO4)=0,25MOL/L (0.5N) c(H2SO4) = 0.25 mol/l (0.5 N), Titripur®
SMILES string
OS(O)(=O)=O
InChI key
QAOWNCQODCNURD-UHFFFAOYSA-N
InChI
1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
product line
Titripur®
form
liquid
quality
Analyzed in our ISO 17025 accredited QC lab
reaction suitability
reaction type: Acid-base reactions
packaging
Titripac® of
concentration
0.25 M
technique(s)
titration: suitable
pH
1.0 (20 °C in H2O)
density
1.02 g/cm3 at 20 °C
storage temp.
15-25°C
Quality Level
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Catégories apparentées
Analysis Note
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.
Features and Benefits
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.
Packaging
Titripac® packaging - all SKU-pack size numbers ending "4000, 4003, 9010, 9013" - more information on www.sigmaaldrich.com/Titripac
Legal Information
signalword
Warning
hcodes
pcodes
Hazard Classifications
Met. Corr. 1
Classe de stockage
8B - Non-combustible, corrosive hazardous materials
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificats d'analyse (COA)
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