1.60322

Potassium permanganate solution

c(KMnO₄) = 0.002 mol, ready-to-use volumetric solution for titration, Titripur^®

• UNSPSC Code: 12352305
• NACRES: NA.21

Właściwości

• Nazwa produktu: Potassium permanganate solution, c(KMnO₄) = 0.002 mol; standardised against di-sodium oxalate (CRM), Titripur^®
• agency: traceable to NIST
• Quality Segment: 200
• product line: Titripur^®
• form: liquid
• quality: Analyzed in our ISO 17025 accredited QC lab
• reaction suitability: reaction type: Redox Reactions
• technique(s): titration: suitable
• storage temp.: 15-25°C

Opis

Features and Benefits

Digital Titration

ChemiSphere^™ App for Digital Data Transfer to OMNIS Titration Instruments from Metrohm

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SmartChemicals for Digital Data Transfer to Mettler Toledo Titration Instruments

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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.

Packaging

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

Analysis Note

Form liquid
Amount-of-substance concentration 0.001990 - 0.002010 mol/L
Measurement uncertainty ± 0.000006 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 8040 di-sodium oxalate) by means of volumetric standard di-sodium oxalate (article number 1.02407), 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.

Legal Information

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

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

ChemiSphere is a trademark of Merch KGaA, Darmstadt, Germany

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

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

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Informacja o środkach bezpieczeństwa

• hcodes: H412
• pcodes: P273 - P501
• Hazard Classifications: Aquatic Chronic 3
• Klasa składowania: 12 - Non Combustible Liquids
• wgk: WGK 2