BX16341

Buffer pH 4.0 Clear

certified reference material

• UNSPSC Code: 41116107

Properties

• grade: certified reference material
• Quality Level: 300
• CofA: current certificate can be downloaded
• packaging: pkg of 500 mL
• application(s): environmental; food and beverages; general analytical; industrial qc
• format: mixture
• storage temp.: 15-25°C

Description

General description

This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI and higher-order standards from NIST through a continuous chain of comparisons. It is prepared using qualified and calibrated balances that comply with ISO 17025 requirements.

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

The pH 4.0 Clear buffer reference standard is suitable for:

• Calibration of pH meters and electrodes
• Quality control of pH measurements
• Analytical method development and validation

Features and Benefits

• Solution that is stable, ready to use, and have long minimumshelf life
• Available in asealed bottle with convenient packaging to protect against contamination
• Accompanied witha certificate of analysis (CoA) for an effective audit
• Achieve precisepH control with this solution, ensuring accuracy in experiments
• Reliable andreproducible results for consistent outcome

Packaging

500 ml in Plastic bottle

Safety Information

• wgk_germany: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable