The diluted buffer solution is stable for at least 4 weeks at room temperature. When stored in a tightly sealed container, it is quite stable, provided no contamination has occurred. Long term shelf life of the dilute buffer solution has not been established.
1.09879
Buffer concentrate for buffer solution acc. to WEISE
for 1000 ml of solution (phosphate), pH 7.20 Titrisol®
Synonym(s):
Weise′s Buffer solution
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1 AMP
$53.90
About This Item
UNSPSC Code:
12161706
NACRES:
NA.25
Recommended Products
grade
analytical standard
Quality Level
agency
according to DIN 19266
product line
Titrisol®
pH
7.20 (20 °C in H2O)
application(s)
environmental
food and beverages
general analytical
industrial qc
pharmaceutical
format
mixture
storage temp.
15-25°C
1 of 4
This Item | 1.09881 | 1.09892 | 1.09882 |
|---|---|---|---|
| format mixture | format mixture | format mixture | format mixture |
| product line Titrisol® | product line Titrisol® | product line Titrisol® | product line Titrisol® |
| grade analytical standard | grade analytical standard | grade analytical standard | grade analytical standard |
| application(s) environmental | application(s) environmental | application(s) environmental | application(s) environmental |
| agency according to DIN 19266 | agency according to DIN 19266 | agency according to DIN 19266 | agency according to DIN 19266 |
| pH 7.20 (20 °C in H2O) | pH 1.00 (20 °C in H2O) | pH 12 (20 °C in H2O) | pH 2.0 (20 °C in H2O) |
General description
The Titrisol® reference buffer concentrate for buffer solution acc. to WEISE [for 1000 mL of solution (phosphate), pH=7.20] is analyzed in the ISO/IEC 17025 accredited calibration laboratory with a combined glass electrode and 5-point calibration according to DIN 19268 against a certified primary standard reference material following DIN 19266.
The Titrisol® concentrated buffer material combines ease of use and maximum precision for the routine calibration and monitoring of pH instruments. To prepare the ready-to-use pH buffer solution, simply dilute the Titrisol® buffer concentrate.
The Titrisol® concentrated buffer material combines ease of use and maximum precision for the routine calibration and monitoring of pH instruments. To prepare the ready-to-use pH buffer solution, simply dilute the Titrisol® buffer concentrate.
Features and Benefits
- Traceable to primary standard reference materials from NIST and PTB
- Analytical standard Grade
- Uncertainty data and traceability are documented in a comprehensive, batch-specific Certificate of Analysis.
Analysis Note
pH-value (20 °C): 7.20 +/- 0.05
Measured after dilution to 1l at 20 °C.
Measured after dilution to 1l at 20 °C.
Legal Information
Titrisol 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’.
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