PE3130

Demand - Whole Volume - WP

Proficiency Testing Material

• NACRES: NA.24

Properties

• Nivel de calidad: 100
• envase: bottle of 1 × 500 mL
• concentración: in water
• application(s): environmental
• formato: matrix material
• temp. de almacenamiento: 2-8°C

Description

Descripción general

Demand - Whole Volume - WP proficiency testing material is produced in accordance with ISO/IEC 17043:2010. Also referred to as non-Potable water or Water Pollution sample, this product is produced according to TNI requirements. However, please note, this sample may include non-TNI analytes as well. The higher criteria from the TNI tables mimic the levels common to wastewater samples. 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 WP program is designed to meet the quality assurance requirements in compliance with Discharge Monitoring Report - Quality Assurance Program (DMR-QA), thereby ensuring the analytical competence of your laboratory.

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 Demand - Whole Volume - WP can be found in the reporting packet which will be available to download at PT Portal.

Aplicación

Demand - Whole Volume - WP is a non-potable water (NPW) PT standard, suitable for testing analytes in water pollution/wastewater.

Have any questions? Explore our FAQs.
For more information on this product, please contact our PT Service Team.

Envase

500 mL

Características y beneficios

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

Nota de preparación

Description

• This sample is supplied in a 500 mL HDPE bottle as a whole-volume solution.
• This sample is not preserved.
• Analyze immediately after opening.

Sample Preparation

• The sample is ready to analyze. Shake well prior to opening.
• This sample should be analyzed as soon as possible after opening.
• It is necessary to seed dilutions of this standard prior to BOD and CBOD analysis.
• A nitrification inhibitor must be used when analyzing for CBOD.
• Analyze using your normal procedures.
• After opening, analyze the sample as soon as possible within the maximum 28-day holding time.

Almacenamiento y estabilidad

Please refer to sample label for expiration date, specific storage temperature, and specific storage conditions.

Otras notas

Are you new to Supelco^® Proficiency Testing? 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 ptservice@milliporesigma.com.

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 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 concludes.

Proficiency Testing Schedule (2022-2023)

Wastewater
WP22-1 January 12 – February 25, 2022
WP22-2 March23 - May 6, 2022
WP22-3 July6 - August 19, 2022
WP22-4 September 21 - November 4, 2022

WP23-1 January 11 – February 24, 2023
WP23-2 March 22 – May 5, 2023
WP23-3 July 5 – August 18, 2023
WP23-4 September 20 – November 3, 2023

DMR-QA (US customers only)
DMR-QA 43 2023 Dates TBD

Quick-Turn Study (on demand proficiency test that is offereddepending on lot availability)

Información legal

Supelco is a registered trademark of Merck KGaA, Darmstadt, Germany

Analyte

5-day BOD 18.0 - 230 mg/L
Carbonaceous BOD (CBOD) 18.0- 230 mg/L
Chemical oxygen demand (COD) 30.0 - 250 mg/L
Total organic carbon (TOC) 6.00 - 100 mg/L

Safety Information

• Código de clase de almacenamiento: 12 - Non Combustible Liquids
• WGK: nwg
• Punto de inflamabilidad F: Not applicable
• Punto de inflamabilidad C: Not applicable