1.07294
Buffer solution
di-sodium hydrogen phosphate/potassium dihydrogen phosphate, traceable to NIST, traceable to PTB, pH 6.88 (20 °C), Certipur®
Sign Into View Organizational & Contract Pricing
All Photos(1)
About This Item
UNSPSC Code:
12161706
Recommended Products
grade
certified reference material
Quality Level
agency
traceable to NIST
traceable to PTB
product line
Certipur®
composition
di-sodium hydrogen phosphate/potassium dihydrogen phosphate
pH
6.88 (20 °C)
application(s)
environmental
food and beverages
general analytical
industrial qc
pharmaceutical
format
mixture
storage temp.
15-25°C
Related Categories
General description
Certipur® buffer solution [di-sodium hydrogen phosphate/potassium dihydrogen phosphate buffer; pH 6.88 (20 °C)] is intended for use as a calibration standard for pH instruments or pH electrodes or as a control sample for measuring the pH value.
The ready-to-use Certipur® buffer solutions are prepared gravimetrically in our ISO/IEC 17025 accredited calibration laboratory from high-purity salts, acids and bases diluted in high-purity water. All balances are regularly calibrated with analytical weight sets traceable to primary standard reference materials from NIST and PTB. The pH-value is measured to the highest precision using a combined glass electrode after 5-point calibration (according to DIN 19268) against reference buffer solutions (according to DIN 19266, IUPAC, NIST, Ph.Eur. and USP).
The ready-to-use Certipur® buffer solutions are prepared gravimetrically in our ISO/IEC 17025 accredited calibration laboratory from high-purity salts, acids and bases diluted in high-purity water. All balances are regularly calibrated with analytical weight sets traceable to primary standard reference materials from NIST and PTB. The pH-value is measured to the highest precision using a combined glass electrode after 5-point calibration (according to DIN 19268) against reference buffer solutions (according to DIN 19266, IUPAC, NIST, Ph.Eur. and USP).
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.
Application
- Catalytic green synthesis of Tin(IV) oxide nanoparticles for phenolic compounds removal and molecular docking with EGFR tyrosine kinase.: This study presents a green synthesis method for Tin(IV) oxide nanoparticles, demonstrating their efficacy in removing phenolic compounds and interacting with EGFR tyrosine kinase, which is relevant for potential cancer therapy applications (Alshahateet et al., 2024).
- In vitro inhibition of biofilm and virulence factor production in azole-resistant strains of Candida albicans isolated from diabetic foot by Artemisia vulgaris stabilized tin (IV) oxide nanoparticles.: This research explores the application of Tin(IV) oxide nanoparticles stabilized with Artemisia vulgaris in inhibiting biofilm formation and virulence factor production in drug-resistant Candida albicans, highlighting its potential in combating infections in diabetic patients (Zubair et al., 2023).
- Enhanced electrocatalytic activity of Pt-SnO(2) nanoparticles supported on natural bentonite-functionalized reduced graphene oxide-extracted chitosan from shrimp wastes for methanol electro-oxidation.: The study demonstrates the enhanced electrocatalytic activity of Tin(IV) oxide nanoparticles in methanol electro-oxidation, which is crucial for fuel cell technologies (Aryafar et al., 2023).
- KIT-5-Assisted Synthesis of Mesoporous SnO(2) for High-Performance Humidity Sensors with a Swift Response/Recovery Speed.: This research focuses on the synthesis of mesoporous Tin(IV) oxide using KIT-5 templates for developing high-performance humidity sensors, emphasizing its application in environmental monitoring and control systems (Vojisavljević et al., 2023).
Features and Benefits
- Compliant: Produced according to EP and USP guidelines
- Secure: Tested in our ISO 17025 accredited calibration laboratory
- Ready for audits: Detailed certificate of analysis for every product
- Convenient: Simply open the pack for quick, accurate pH calibration
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
12 - Non Combustible Liquids
wgk_germany
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Customers Also Viewed
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service