Complex Nutrients in Seawater - Whole Volume - WP
SIAL/PE3145 - Proficiency Testing Material
Product Type: Chemical
application(s) | environmental |
concentration | in water |
format | matrix material |
packaging | bottle of 1 × 500 mL |
Quality Level | 100 ![]() |
storage temp. | 2-8°C |
Application: | WP Organic Nutrients in Seawater - Whole Volume is a non-potable water (NPW) PT standard, suitable for testing nutrients in water pollution/wastewater samples. 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: | Complex Nutrients in Seawater - Whole Volume - WP proficiency testing material is produced in accordance with ISO/IEC 17043:2010. This product is also referred to as non-Potable water or Water Pollution sample. Our 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 WP program is designed to meet the quality assurance requirements, thereby ensuring the analytical competence of your laboratory or drinking water facility. Type of PT Scheme: Water Analysis - Water Pollution (WP) Matrix: Water Pollution/Wastewater Analyte/s: Values of analytes vary lot to lot. All information regarding the use of Complex Nutrients in Seawater - Whole Volume - WP 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 Testing? Be sure to register your account details ![]() 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 ptservice@milliporesigma. When 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 ![]() Proficiency testing samples are presented as single blind. No values for the samples are released until the testing period concludes. Proficiency Testing Schedule (2022-2023) Wastewater WP22-2 March 23 - May 6, 2022 WP23-2 March 22 – May 5, 2023 Quick-Turn Study (on demand proficiency test that is offereddepending on lot availability) |
Preparation Note: | Description • The sample is ready for immediate analysis. • 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 °C until just before analysis. • Analyze the preserved sample as soon as possible within the maximum 28-day holding time. |
Storage and Stability: | Please refer to sample label for expiration date, specific storage temperature, and specific storage conditions. |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Storage Temp. | 2-8°C |
UNSPSC | 41116107 |
Components | Kjeldahl nitrogen, total (TKN) 1.5-35 mg/L; Nitrogen, total 1.5-35 mg/L; Phosphorus, total .5-10 mg/L |