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Whey protein powder contaminated

proficiency testing material

Quality Level


food and beverages

storage temp.


General description

Supelco is a global proficiency testing (PT) provider that manufactures best-in-class food, clinical, environmental and pharmaceutical PT products. The PT portfolio allows our customers in many different market segments to assess performance of laboratory employees and instrument and control the accuracy and precision of methods. The Supelco PT portal offers significant performance data to monitor and prove competency to customers and accreditation bodies.

Type of PT Scheme: Food

Matrix: Whey protein powder, spray dried

Analyte/s: Heavy metals: Arsenic, Lead, Cadmium, Mercury PAH: Benzo(a)pyrene, Benzo(a)anthracene, Benzo(b)fluoranthene, Chrysene

All information regarding the use of Whey Protein Powder - Contaminated can be found in the reporting packet which will be available to download at PT Portal.


Whey Protein Powder - Contaminated is suitable for the determination and quantification of 4 Heavy metals and/or 4 PAH in Whey Protein powder.

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For more information on this product, please contact our PT Service Team.

Features and Benefits

We have a vast portfolio of 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

Preparation Note


  • This PT sample as one 30 g sample in a brown glass flask.

Sample Preparation

Whey protein powder - contaminated
1. This sample is Whey protein powder contaminated with Heavy metals 0-1 mg/kg and PAH 0-10 ug/kg
2. The bottle contains 30 g of sample
3. Use any appropriate technique to determine and quantify the analytes
4. Store sample at -20°C

Sample preparation
1. The sample needs no special treatment before use
2. Use your standard sample preparation procedure

1. Use your standard analysis method to analyze the sample
2. Report your results as mg/kg for the heavy metals and ug/kg for the PAH in the Proficiency Testing Portal

Storage and Stability

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

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

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 Schedule (2022-2023)

FOOD22-3 October 19 - December 02, 2022
FOOD23-3 May 10 - June 23, 2023



    Arsenic,As 0-1 mg/kg
    Benzo(a)anthracene 0-10 ug/kg
    Benzo(a)pyrene 0-10 ug/kg
    Benzo(b)fluoranthene 0-10 ug/kg
    Cadmium, Cd 0-1 mg/kg
    Crysene 0-10 ug/kg
    Lead, Pb 0-1 mg/kg
    Mercury, Mg 0-1 mg/kg
    See All (8)

Storage Class Code

11 - Combustible Solids



Flash Point(F)

Not applicable

Flash Point(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.

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