Residue on Ignition PT

210-498-3

Residue on Ignition proficiency testing material is produced in accordance with ISO/IEC 17043:2010. The PT portfolio allows our test components to offer significant performance data to monitor and prove competency to customers, accreditation bodies or both.

Supelco^® Pharmaceutical Proficiency Testing scheme is mainly designed to meet the needs of the pharmaceutical industry.
The pharma PT samples allow laboratories to demonstrate their competence in following compendial USP methods of analysis. They can be used to assure accreditors or auditors that the lab processes are followed accordingly. Our pharmaceutical PT scheme covers products under categories such as Chemical Tests and Assays, Physical Tests and Determinations and Microbiological Tests.

Type of PT Scheme: Pharmaceuticals

All information regarding the use of Residue on Ignition proficiency testing standard can be found in the reporting packet which will be available to download at PT Portal.

Residue on Ignition, as a proficiency testing material, is used in pharmaceutical analysis to measure the amount of residual substance not volatilized from a sample, when ignited in the presence of sulfuric acid.

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

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 Instructions

• Ignite suitable crucibles at 600 ℃ ± 50 ℃ for 30 min, cool in a desiccator and weigh accurately.
• Weigh accurately approximately 1 g of the test sample into the crucible. Moisten with about 1 mL of sulfuric acid and heat gently by an appropriate method until the sample is thoroughly charred.
• Cool then repeat with another portion of sulfuric acid (about 1 mL) until white fumes are no longer evolved.
• Then ignite at 600 ℃ ± 50 ℃ until the residue is completely incinerated.
• Calculate the % of residue.

Expected range: 0.015-15%
**NOTE** Smaller quantities of the test sample may be used.

Reporting
% Residue to two significant figures

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 Schedule (2021-2022)

Pharma
PHARM21-4 October 6 - November 19, 2021

PHARM22-2 April 6 - May 20, 2022

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

100

ampule of 3 × 1 g

suitable for (suitable for 281 per USP)

pharmaceutical

matrix material

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

10 - Combustible liquids