Merck
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PEP011

Supelco

Loss on Drying PT

Proficiency Testing Material

EC Number:
NACRES:
NA.24

Agency

suitable for USP 731

Quality Level

packaging

ampule of 3 × 1 g

application(s)

pharmaceutical

format

matrix material

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General description

Loss on Drying (LOD) USP 731 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 Loss on Drying (LOD) USP 731 proficiency testing standard can be found in the reporting packet which will be available to download at PT Portal.

Application

Loss on Drying (LOD) under USP 731 pharmaceutical proficiency testing material is used in the pharmaceutical analysis for determining moisture content.

Have any questions? Explore ourFAQs.
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

Preparation Note

Description

  • Dry a glass-stoppered, shallow weighing bottle for 30 min under the same conditions as designated for the sample.
  • Tare the stoppered bottle.
  • Add the test specimen, in the approximate designated amount, to the bottle and accurately weigh.
  • Spread the sample as evenly as is practical in the weighing bottle.
  • Place the bottle in the drying chamber and remove the stopper leaving it in the drying chamber.
  • Dry the sample according to the conditions stated. For heated samples, cool in a desiccator.
  • Weigh the stoppered bottle containing the sample.
  • Calculate the % loss.


Sample Description

  • Conditions: 105 °C for 3 hours
  • Approx Wt.: 0.5 - 1g
  • Expected Range: 0 to 50%

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 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 (2022-2023)

Pharma
PHARM22-2 April 6 - May 20, 2022
PHARM22-4 October 5 - November 18, 2022

PHARM23-2 April 5 – May 19, 2023
PHARM23-4 October 4 – November 17, 2023

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

Legal Information

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

Analyte

Description

    % Loss .0001-15 %

Storage Class Code

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (Example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

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