Non disponible en dehors du Royaume-Uni et de l'Irlande
Application
Chromium VI - WS is used as a proficiency testing material to test Cr(VI) in water supply/drinking water.Have any questions? Explore our FAQs.For more information on this product, please contact our PT Service Team.
Features and Benefits
We have a vast portfolio of environmental PT schemes with "fit-for-purpose" samples to help you meet the needs of the laboratory.Our proficiency testing (PT) program is a benchmark to: provide staff with an insight into their laboratory′s performance, to verify the accuracy and reliability of their testing process provide a comparison of performance with that of other laboratories, nationally and internationally test and educate staff, provide a better understanding of the impact of incorrect results and identify areas where there may be problems provide an independent evaluation of laboratory performance demonstrate to clients, colleagues and accreditation bodies that there is a commitment to quality
General description
Chromium VI - WS proficiency testing material is produced in accordance with ISO/IEC 17043:2010. Also referred to as Potable Water or Water Supply sample, this sample is produced according to TNI requirements. However, please note, this sample may include non-TNI analytes as well. The PT portfolio allows our test components to offer significant performance data to monitor and prove competency to customers, accreditation bodies or both.Supelco® is a global proficiency testing (PT) provider that manufactures best-in-class environmental and pharmaceutical PT products. Most water PT samples are available as concentrates or ready-to-use volumes giving the end-user flexibility in selecting samples that will fit their exact needs. Our WS program is designed to meet the quality assurance requirements in compliance with the Safe Drinking Water Act (SDWA), thereby ensuring the analytical competence of your laboratory or drinking water facility. These samples are typically provided in duplicate for use in case of lab mishap, for QC purposes or to analyze multiple methods.Type of PT scheme: Water analysis - Water Supply (WS)Matrix: Water Supply/Drinking waterAnalyte/s: Values of analytes vary lot to lot.All information regarding the use of Chromium VI - WS proficiency testing standard can be found in the reporting packet which will be available to download at PT Portal.
Legal Information
Supelco is a registered trademark of Merck KGaA, Darmstadt, Germany
Other Notes
Are you new to Supelco® Proficiency TestingͰ Be sure to register your account details in the PT Portal before placing your order.This will provide access to data entry, reporting packets and final reports. Registrations will be approved shortly after your order is placed. For further questions, write to us at [email protected] placing your order online, please indicate your study preference under the ′your reference′ column. Available studies can be viewed at the bottom of the page.Click here to learn more about Quick-Turn Studies (on-demand proficiency tests that are offered depending on lot availability). The Quick-Turn results are released within 48-72 hours whereas scheduled study reports are released within 21 days.Proficiency testing samples are presented as single blind. No values for the samples are released until the testing period is concludes.Proficiency Testing Schedule (2022-2023)Drinking WaterWS22-2 March 23 - May 6, 2022WS22-4 September 21 - November 4, 2022WS23-2 March 22 – May 5, 2023WS23-4 September 20 – November 3, 2023Quick-Turn Study (on demand proficiency testthat is offered depending on lot availability)
Preparation Note
Description This PT sample is packaged as a 20 mL concentrate. The solvent for this sample is DI water. The PT sample has not been preserved.Sample Preparation This ampule contains a concentrate for the preparation of a solution that can be analyzed for hexavalent Chromium. When prepared according to instructions the concentration will be less than 300 µg/L. Partially fill a 1000 mL volumetric flask with reagent-grade water (near 20 °C). Open ampule PE1453-20ML and transfer 10.0 mL of concentrate to the volumetric flask. Fill the volumetric flask to volume with reagent-grade water and mix well. The sample is now ready for immediate analysis.
Storage and Stability
Please refer to sample label for expiration date, specific storage temperature, and specific storage conditions.
Ce produit répond aux critères suivants pour être admissible aux récompenses suivantes :