1.02784

Copper sulfate solution

c(CuSO₄)=0.1 mol/l, Titripur^®

Properties

• Quality Level: 200
• product line: Titripur^®
• form: liquid
• quality: Analyzed in our ISO 17025 accredited QC lab
• reaction suitability: reaction type: Redox Reactions
• concentration: 0.1 M
• technique(s): titration: suitable
• pH: 4.2 (20 °C in H₂O)
• density: 1.02 g/m³ at 20 °C
• storage temp.: 15-25°C

Description

Features and Benefits

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 0.0995 - 0.1005 mol/L
Measurement uncertainty ± 0.0003 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 determined with standardized titriplex-III solution (article number 1.08431). The titriplex-III solution is standardized and traceable to a primary standard reference material (SRM) from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 682 Zinc) by means of volumetric standard Zinc (article number 1.02409), 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

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

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H319 - H412
• Precautionary Statements: P264 - P273 - P280 - P305 + P351 + P338 - P337 + P313 - P501
• Hazard Classifications: Aquatic Chronic 3 - Eye Irrit. 2
• Storage Class Code: 12 - Non Combustible Liquids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable