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Sigma-Aldrich/Corrosivity/Sodium - Whole Volume - WS/PE3381-500ML/500ML
Properties:
| Related Categories | Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Water Supply/Drinking Water Inorganics, |
| packaging | bottle of 1 × 500 mL |
| mfr. no. | RTC, PEI-3010-12 |
| concentration | in H2O |
| storage temp. | 2-8°C |
Description:
General description
This proficiency testing sample is produced in accordance with ISO/IEC 17043:2010. All information regarding the use of this material can be found in the reporting packet supplied for each sample.
Other Notes
Proficiency testing samples are presented as single blind. No values for the samples are released until the testing period concludes. Values of analytes vary lot to lot.
Proficiency Testing Schedule (2017-2018)
Drinking Water
WS17-1 January 18 - March 3, 2017
WS17-2 March 29 - May 12, 2017
WS17-3 July 12 - August 25, 2017
WS17-4 September 27 - November 10, 2017
WS18-1 January 17 - March 2, 2018
WS18-2 March 28 - May 11, 2018
WS18-3 July 11 - August 24, 2018
WS18-4 September 26 - November 9, 2018
Quick-Turn Study - (non-scheduled proficiency test that is available at any time)
Preparation Note
This sample is packaged in a 500 mL HDPE bottle containing approximately 500 mL of solution.
This sample is not preserved.
The sample must be stored at 4°C.
Sample preparation:
This sample has been prepared as a whole volume sample and is ready to ba analysed as received.
Shake the bottle well prior to use.
Analyse alkalinity first. Be sure to recap the bottle when not in use to minimize CO2 absorption.
Sample and analyze using your normal routine methods.
