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You are here: Home / Archives for Chemistry

The Role of NMR in FDA Mandated Identity Testing of Nutritional Supplements

December 21, 2010 by process nmr Chemistry, Herbal Supplement, NMR

Process NMR Associates Offers Testing, Consultation, and Support in Meeting Your Identity Testing, Laboratory Methodology, and Process Analytical Requirements for FDA DS CGMP Rule Compliance.

In conjunction with 21 CFR 111, the FDA’s Office of Nutrition, Labeling and Dietary Supplements has instituted the Dietary Supplement Current Good Manufacturing Practice Rule (DS GCMP Rule) and the Interim Final Rule effective December 2010. Laboratory compliance, including identity testing and analytical method protocols are now required for any manufacturer, packager, labeler or holder of dietary supplements without the previous exemption based on number of full time employees within the company. Smaller companies, typically without in-house laboratory and testing facilities, now need to obtain such services to meet the new compliance rules.

Process NMR Associates (PNA), the process analytical consulting company and analytical testing company with over 45 years of experience in the field of nuclear magnetic resonance spectroscopy (“NMR”) and organic spectroscopy (FTIR, NIR, ESR) is now offering expanded services for DS GCMP Rule compliance. As an example, The International Aloe Science Council (IASC), a trade association representing the global aloe vera industry, has selected Process NMR Associates, LLC (PNA) as its primary provider for Nuclear Magnetic Resonance (NMR) spectroscopic measurement of aloe vera. PNA’s services include measurement of aloe vera concentration, sacharride distributions, formulation ingredients, and, contaminant/degradation products, in aloe vera powders, whole leaf extracts, whole leaf and inner leaf gel concentrates, drink concentrates, and, ready to drink formulations. PNA’s NMR services are an integral part of the IASC certification and compliance program. “We are pleased to partner with Process-NMR Associates for providing analytical services related to the certification program,” said Devon Powell, Executive Director of the IASC. “PNA has demonstrated its capability to provide excellent analytical services in a timely manner to the organization and aloe vera industry at-large.”

Expanding analyses and methodologies beyond aloe vera include essential oil analyses, fish oils and omega-3 fatty acid analyses, herbal supplement characterization, adulteration monitoring, and, ingredient integrity analyses. It is PNA’s commitment to quality analytical services, sample analysis, reporting turnaround, and competitive pricing that enable us to provide value-added services to the dietary supplement market place.

Process NMR Associates – Archives – Gasoline Analysis by NMR and Chemometrics – ENC 1996

January 28, 2008 by process nmr Chemistry, NIR, NMR, Process NMR

Just came across an old presentation on gasoline analysis by NMR and chemometrics with direct comparisons to Mid-IR and NIR. Presented at the Experimental NMR Conference in March 1996….PDF (3 MB)

Conjugated Diolefins Analysis by COSY NMR

January 28, 2008 by process nmr Chemistry, NMR

Conjugated diolefins are responsible for fouling of many processes in a refinery. COSY NMR analysis can determine the concentration of these species in many processed petroleum product streams….see PNA webs site.

Conjugated Olefins by COSY NMR - 1D 1H NMR - Coker Naphtha

Conjugated Olefins by COSY NMR - COSY - Coker Naphtha Showing Conjugated Olefin Signals

Conjugated Olefins by COSY NMR - Hydrotreated Naphtha

Conjugated Olefins by COSY NMR - Hydrotreated Naphtha

NPS – IS : A New Approach to Process Analytical

October 29, 2007 by process nmr Chemistry, Energy, IR-ATR, NIR, NMR, Process NMR, TD-NMR

Press Release – NMR Process Systems – Swagelok Technology Conference, Teaneck NJ – October 23, 2007

NMR Process Systems, LLC Announces :

The RefinIR – FTIR-ATR Petroleum Product Analyzer

October 29, 2007 by process nmr Chemistry, IR-ATR, Process NMR

Press Release – NMR Process Systems – Gulf Coast Conference, Galveston Island, Texas – October 17, 2007

NMR Process Systems, LLC and Smith’s Detection Launch RefinIRTM – The New Refinery Products Analyzer

In a joint development effort NMR Process Systems and Smith’s Detection have developed a range of petroleum analyzer products based on a mid-infrared spectrometer which utilizes an attenuated total reflection (ATR) sample interface. The ATR allows wipe and swipe sample introduction that is ideal for heavy petroleum analysis. Chemometric approaches to chemical and physical property prediction have been developed as well as analysis by spectral database matching. The FTIR-ATR spectrometer is called the RefinIR which can be utilized in the laboratory for rountine, multi-parameter prediction of  petroleum product properties or to aid in process troubleshooting on unusual samples or solid foulants.

For more information contact Paul Giammatteo Principal, NMR Process Systems

87A Sand Pit Rd, Danbury, CT 06810 U.S.A.  Tel: (203) 744-5905

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