1.09409

Buffer solution

(boric acid/potassium chloride/sodium hydroxide)traceable to SRM from NIST and PTB pH 10.00 (25°C) Certipur^®

• Synonym(s): Buffer solution pH 10.00 (25°C)(boric acid/potassium chloride/sodium hydroxide)
• NACRES: NA.25
• UNSPSC Code: 12161705

Properties

• grade: certified reference material
• Quality Level: 300
• product line: Certipur^®
• pH: 10.0 (25 °C in H₂O)
• bp: 100 °C/1013 hPa
• density: 1.0044 g/cm³ at 25 °C
• application(s): environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• format: mixture
• storage temp.: 15-25°C

Description

General description

The buffer solution is gravimetrically prepared with boric acid, potassium chloride, sodium hydroxide, and high-purity water. Its pH of 10.00 is measured using a combined glass electrode following a 5-point calibration method, in accordance with DIN 19268, against certified primary reference standards as per DIN 19266.

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.

Application

It is used in analytical procedures for the calibration, qualification, and monitoring of pH measuring instruments and as a control for testing other buffer solutions.

Features and Benefits

• Measured and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory
• Traceable to SRMs from NIST and primary certified reference standards from PTB
• Ready-to-use solution available in a sealed bottle and an innovative Titripac^® packaging for positive environmental impact due to reduced waste generation
• Long-lasting with a shelf life of 3 years
• Accompanied with a detailed certificate of analysis (CoA) for an effective audit

Legal Information

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

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

Safety Information

• pictograms: GHS08
• signalword: Danger
• hcodes: H360FD
• pcodes: P201 - P202 - P280 - P308 + P313 - P405 - P501
• Hazard Classifications: Repr. 1B
• Storage Class: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• wgk: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable