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METTLER TOLDEO to Present Recent USP Changes Regulatory and Quality Aspects of Sample Preparation

09-12-2012 04:07 PM CET | Science & Education

Press release from: Mettler-Toledo International Inc.

METTLER TOLEDO today announced an upcoming webinar with special guest presenter Gregory P. Martin, President of Complectors Consulting and industry expert in pharmaceutical analytical chemistry. This free educational webinar entitled “Recent USP Changes: Regulatory and Quality Aspects of Sample Preparation” will explain the United States Pharmacopeia’s (USP’s) recent changes to General Chapter (Specific Gravity) and proposed changes to Chapter (Weighing on an Analytical Balance), in more detail. These updates, which describe gravimetric dosing, will affect the way samples and standards are currently prepared.

The Webinar will be hosted on September 18, 2012 at 11:00 EST (15:00 GMT) and can be registered for at:

The United States Pharmacopeia (USP) has recently made revisions which will have a positive impact on the quality of current analytical sample preparation methods. An update to Chapter 841 (Specific Gravity) was published in the March/April 2012 Pharmacopeial Forum 38(2) which states that the use of mass for preparation of solutions is allowed, providing the density is known. This change supports gravimetric addition of the diluent without a need to revalidate the method. USP is due to post this revision in USP 36-NF 31 Supplement 1 in early 2013. In addition, USP is proposing an update to Chapter 1251 (Weighing on an Analytical Balance). The revision, expected to be published in the September/October 2012 Pharmacopeial Forum and then in USP 36-NF 31 Supplement 2 in 2013, will offer a detailed description of the steps involved in gravimetric dosing for sample and standard preparation.

In this webinar, Gregory P. Martin, a former Director of Pharmaceutical Analytical Chemistry at Merck Research Laboratories, who is also Chair of the USP expert panels on “Validation and Verficiation” and “Weights and Balances”, and Joanne Ratcliff, a weighing and sample preparation expert from Mettler Toledo, will explain how these USP updates will give the industry the opportunity to significantly improve the sample preparation process. The key benefits of a gravimetric approach, including improved accuracy and precision of results, enhanced data tracking and security and minimized substance and solvent consumption, will be addressed.

The key learning objectives of this webinar include developing an understanding of how changes to the US Pharmacopeia will have a positive impact on your current sample preparation process; discovering why the US Food and Drug Administration FDA and USP would support gravimetric sample preparation methods; and learning how to incorporate gravimetric methods into an existing workflow to improve quality of results and minimize substance consumption in the laboratory.

This webinar will be of interest to Pharmaceutical and regulatory managers and scientists and experts engaged in or responsible for the preparation of samples and standards for analytical methods, including method validation and development in Analytical R&D or Quality Assurance / QualityControl QA/QC laboratories.

Event Details
This event is being held on September 18, 2012 at 08:00 PST, 11:00 EST, 15:00 GMT; 17:00 CET
Event registration is at

Press Contact:
Laboratory & Weighing Technologies,
Joanne Ratcliff, Product Manager
Im Langacher, 8606 Greifensee, Switzerland
T +41 44 944 2211

METTLER TOLEDO specializes in the area of precision instruments for professional use. METTLER TOLEDO laboratory instruments are used in research, scientific, drug discovery, and quality control labs, amongst many others in the pharmaceutical, chemical, food and cosmetics industries. METTLER TOLEDO comprehensive industrial solutions cover the various steps in a host of manufacturing processes at many of the same customers that laboratory serves. Solutions range from receiving raw materials through various manufacturing processes, in-line process control and end-of-line packaging control, to logistics and shipping. Increasingly, these solutions are fully integrated into the customer's IT environment, helping automate their workflows. In food retail, our offering for fresh food management ranges from receiving and pre-packaging, to in-store solutions for self-service departments, deli counters, and checkout terminals.

Mettler-Toledo International Inc.
Im Langacher, Zip Code 8606
Greifensee, Switzerland
E-Mail :
Phone : +41-44-944 33 85
Website :

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