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TSS/pH (Gesamtvolumen) in Meerwasser - WS

Proficiency Testing Material



bottle of 1 × 500 mL


in water




matrix material



Allgemeine Beschreibung

TSS/pH (whole volume) in Seawater - WS proficiency testing material is produced in accordance with ISO/IEC 17043:2010. This product is also referred to as Potable water or Drinking Water sample. 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.

Type of PT Scheme: Water Analysis - Water Supply

Matrix: Water Supply/Drinking water

Analyte/s: Values of analytes vary lot to lot.

All information regarding the use of TSS/pH (whole volume) in Seawater - WS proficiency testing standard can be found in the reporting packet which will be available to download at PT Portal.


TSS/pH (whole volume) in Seawater - WS is suitable for testing pH and non-filterable residue (TSS) in water supply/drinking water.

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


500 mL

Leistungsmerkmale und Vorteile

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

Angaben zur Herstellung


  • This sample is packaged in a 500 mL HDPE bottle containing approximately 500 mL of solution.
  • This sample should be stored at 18 - 20 ºC.
  • This sample is not preserved.

Sample Preparation

  • This sample has been prepared as a whole volume standard and is ready to analyze as received.
  • Recap immediately after use.
  • Shake sample well prior to opening.
  • Analyze for pH first. Then shake the sample again and analyze per your normal laboratory procedures for residue.
  • The suspended solids may settle over a time period. It is recommended that you shake the sample prior to every use.

Lagerung und Haltbarkeit

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

Sonstige Hinweise

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

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)

Drinking Water
WS22-2 March 23 - May 6, 2022

WS23-2 March 22 – May 5, 2023

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

Rechtliche Hinweise

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



    pH 5-10 units
    Non-Filterable Residue (TSS) 23-100 mg/L


12 - Non Combustible Liquids



Flammpunkt F

Not applicable

Flammpunkt C

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service