Properties:
| Related Categories | Additional Standards, Analytical Standards, Analytical/Chromatography, Proficiency Testing, Water Pollution/Waste Water - Sea Water Matrix, |
| packaging | pkg of 1 × 500 mL |
| mfr. no. | RTC, PEI-3028-1S |
| 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)
Wastewater
WP17-1 January 18 - March 3, 2017
WP17-2 March 29 - May 12, 2017
WP17-3A May 17 - June 30, 2017
WP17-3B July 12 - August 25, 2017
WP17-4 September 27 - November 10, 2017
WP17-5 November 22 - January 5, 2018
WP18-1 January 17 - March 2, 2018
WP18-2 March 28 - May 11, 2018
WP18-3A May 16 - June 29, 2018
WP18-3B July 11 - August 24, 2018
WP18-4 September 26 - November 9, 2018
WP18-5 November 21 - January 4, 2019
Quick-Turn Study - (non-scheduled proficiency test that is available at any time)
Preparation Note
If a solution is not to be analyzed within two days after opening, preserve a sample aliquot with 0.2 mL of concentrated sulfuric acid per 100 mL of sample (pH<2) and store at 4 degrees C until just before analysis.
Analyze the preserved sample as soon as possible within the maximum 28-day holding time.
NOTE: The acidification of the sample could result in the oxidation of Nitrite, so it is recommended that 100 mL is separated and not preserved if unable to test for nitrite immediately
Sample preparation
The sample is ready for immediate analysis.
