Description
Buffer Solution pH 7.00 Merck 1 Liter
Application
Features and Benefits
- Measured and qualified at 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 the 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 and batch-specific certificate of analysis (CoA) for an effective audit
General description
The buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate) is gravimetrically prepared using high-quality salts in high-purity water. It is quality controlled and qualified in an ISO/IEC 17025 accredited calibration lab. Its pH value of 7.00 at 20°C is qualified following a 5-point calibration method, using a combined glass electrode, in accordance with DIN 19268, against reference buffer solutions following DIN 19266.
Properties :
Product Name: Buffer solution, (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®
Grade: certified reference material
product line: Certipur®
pH: 7.0 (20 °C in H2O)
bp: 109 °C/1013 hPa
mp: -5 °C
density: 1.01 g/cm3 at 20 °C
application(s)
- Environmental
- food and beverages
- general analytical
- industrial qc
- pharmaceutical
format: mixture
storage temp.: 15-25°C
Quality Level: 300
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.
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