1.99016
Buffer Solution
(citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (25°C) Certipur®
Sinonimo/i:
Buffer solution pH 6.0 (25 °C in H2O) (citric acid/sodium hydroxide)
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Cambia visualizzazione
| A voi/SKU | Disponibilità | Prezzo |
|---|---|---|
30 x 30 mL | Spedizione prevista il01 giugno 2026daMerck S.p.A | 126,00 € |
Informazioni su questo articolo
NACRES:
NA.25
UNSPSC Code:
41116107
Servizio Tecnico
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Permettici di aiutartiGeneral description
It is a citric acid/sodium hydroxide certified buffer solution, gravimetrically prepared using high-quality reagents and water at a registered calibration laboratory. Its pH value of 6.00 at 25°C is determined using the 5-point calibration method with a combined glass electrode. The measurement is made following DIN 19268 using reference buffer solutions compliant to DIN 19266, NIST, IUPAC, Ph. Eur, and USP. The buffer′s pH value strongly depends on the temperature and therefore a constant temperature must be maintained during its use.
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
It is used as a buffer reference standard to calibrate pH measuring instruments or pH electrodes and as a control to measure the pH of other solutions.
Features and Benefits
- Measured and qualified at an ISO/IEC 17025 and ISO 17034 accredited laboratory
- Traceable to secondary reference standard from NIST and primary certified reference standard from PTB
- Ready-to-use solution available in 30 mL sachets
- Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective audit
- Product label follows the ISO Guide 31 and contains information about ordering number, article description, lot number, safety data, and expiry date
- Packaging material subjected to comprehensive stability studies as per ISO Guide 35
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
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Questo articolo | |||
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| Quality Level 300 | Quality Level 300 | Quality Level 300 | Quality Level 300 |
| density 1.01 g/cm3 at 20 °C | density 1.00 g/cm3 at 20 °C | density 1.01 g/cm3 at 20 °C | density 1.01 g/cm3 at 20 °C |
| pH 6.0 (25 °C in H2O) | pH 10.0 (20 °C in H2O) | pH 11.0 (25 °C in H2O) | pH 11.0 (25 °C in H2O) |
| storage temp. 15-25°C | storage temp. 15-25°C | storage temp. 15-25°C | storage temp. 15-25°C |
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Classe di stoccaggio
12 - Non Combustible Liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificati d'analisi (COA)
Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.
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