reference materials: certificates of analysis märz …reference materials: certificates of analysis...
TRANSCRIPT
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März 2009Reference materials: Certificates of analysis
Dr. Christian Zeine(Basic concept by(Basic concept by
Dr. Julian Schwarz)
W bi S i 2013Webinar Series 2013,May 23rd, 2013
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Quick guide to the webinart ltools
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Agenda
• Definition for ‘Certificate of analysis’• Definition for Certificate of analysis
• ISO 31: Certificate Content and StructureISO 31: Certificate Content and Structure
• CertificatesCertificates– Certified reference materials (CRMs)– Primary pharmaceutical reference standards
S d h ti l f t d d– Secondary pharmaceutical reference standards– Impurity reference standards– Research materials
• Summary
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What is a certificate (of analysis)?
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DefinitionDefinition
• ISO Guide 31:2000 defines certificates as:“Document containing all the information which is“Document containing all the information which is
essential to the use of a certified reference material”
• Please also note:“Without the certificate, the material (the CRM),
however costly its production, is valueless.”
“The certificate should not be parted from the CRM.”
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DefinitionDefinition
• ISO Guide 31:2000
– Defines content and structure of certificates
Currently under revision!
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Currently under revision!
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Content of a certificateContent of a certificate
• Possible content acc. to ISO Guide 31:2000– Name and address of certifying organisation– Title of the document– Name of the documentName of the document– Code and batch number– Description – relevant information
Intended use– Intended use– Instructions for use– Hazardous situation
L l f h it
CAN be inclu-ded with a CRM!
– Level of homogeneity– Certified property values and uncertainty– Traceability
Not a MUST!
– Date of certification– Period of validity– Stability, transportation and storage instructions
7– Shelf life/expiry date – ….
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Agenda
• Definition for ‘Certificate of analysis’• Definition for Certificate of analysis
• ISO 31: Certificate Content and StructureISO 31: Certificate Content and Structure
• CertificatesCertificates– Certified reference materials (CRMs)– Primary pharmaceutical reference standards
S d h ti l f t d d– Secondary pharmaceutical reference standards– Impurity reference standards– Research materials
• Summary
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Certificates – NIST CRMCe t cates S C
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Certificates – USP CRMCe t cates US C
Certified Property Value: 1.000 ± 0.001 mg/mg
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Certificates – USP CRMCe t cates US C
• Caution with uncertainty: – Very small, looks good on a first glance
However in this case: Uncertainty does not take into account– However, in this case: Uncertainty does not take into account water content, needs to be determined by user through Karl-Fischer-titration
– Was raising discussions in the pharmaceutical community• Smaller than comparable materials from metrology institutes
(see NIST CofA)
• Traceability “hidden”, as with the NIST CofA as well– Both materials only traceable to NIST resp. USP
in house methods– Info on traceabilitiy can be more detailed with CRMs from other
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Info on traceabilitiy can be more detailed with CRMs from other sources (e.g. some ERM materials)
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USP – Will there be further CRMs?US t e e be u t e C s
• Pertaining discussion on CRMs inside USP:„The USP Reference Standard project team seems to have mixed „ p jfeeling whether or not the CRM would add value to current practices from Industry perspective.“(Comment at: http://community aapspharmaceutica com; Feb 2009)(Comment at: http://community.aapspharmaceutica.com; Feb 2009)
• No further CRMs for the USP-NF since more thanthree years
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Agenda
• Definition for ‘Certificate of analysis’• Definition for Certificate of analysis
• ISO 31: Certificate Content and StructureISO 31: Certificate Content and Structure
• CertificatesCertificates– Certified reference materials (CRMs)– Primary pharmaceutical reference standards
S d h ti l f t d d– Secondary pharmaceutical reference standards– Impurity reference standards– Research materials
• Summary
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Primary pharmaceutical reference standards
• Previous webinar: Recommended approach forprimary RS (see also EP General text 5.12.)
U ll it f 95%– Usually purity of >95%– Full characterization and documentation of
• Identity (with several qualitative techniques: NMR, MS, IR, UV/VIS, y ( q qElemental analysis, where appropriate X-ray structure analysis)
• Purity (with HPLC => impurity profile)Identify peaks with area percentage >0.1%M b h k l ti f t f i it b hi d kMaybe check relative response factor of impurity behind peak
... continued
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Primary pharmaceutical reference standards
• Recommended approach for primary RS (continued)(continued)
– Full characterization and documentation ofFull characterization and documentation of• Residual solvents by GC-Headspace methods• Water content by Karl-Fischer titration• Loss on drying (sum of water and residual solvents)• Loss on drying (sum of water and residual solvents)• Melting point (rough purity/identity information)• Sulphated Ash (inorganic impurities)
• Assay, for primary RSs from purity calculation (with the results from all relevant examinations) plus at least one additional independent method(e.g. titration)
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Certificates – Primary pharmaceutical reference standards
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Certificates – Primary pharmaceutical reference standards
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Certificates – Primary pharmaceutical reference standards
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Certificates – Primary pharmaceutical reference standards
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Certificates – Primary pharmaceutical reference standards
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Certificates – Primary pharmaceutical reference standards
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Certificates – Primary pharmaceutical reference standards
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Certificates – Primary pharmaceutical reference standards
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Certificates – Primary pharmaceutical reference standards
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Agenda
• Definition for ‘Certificate of analysis’• Definition for Certificate of analysis
• ISO 31: Certificate Content and StructureISO 31: Certificate Content and Structure
• CertificatesCertificates– Certified reference materials (CRMs)– Primary pharmaceutical reference standards
S d h ti l f t d d– Secondary pharmaceutical reference standards– Impurity reference standards– Research materials
• Summary
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Secondary pharmaceutical reference standards
• FDA guidance from previous webinar
– ... A working standard (i.e. in-house(!) or secondarystandard) is a standard that is qualified against and usedstandard) is a standard that is qualified against and usedinstead of the reference standard ...
f– Desired qualifications• No requirement of full proof of structure
Proof of identity (e.g. by IR or MS) against primary RS sufficient• Determination of assay of secondary RS against original primary RS
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Secondary pharmaceutical reference standards – Certificates
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Secondary pharmaceutical reference standards – Certificates
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Secondary pharmaceutical reference standards – Certificates
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Agenda
• Definition for ‘Certificate of analysis’• Definition for Certificate of analysis
• ISO 31: Certificate Content and StructureISO 31: Certificate Content and Structure
• CertificatesCertificates– Certified reference materials (CRMs)– Primary pharmaceutical reference standards
S d h ti l f t d d– Secondary pharmaceutical reference standards– Impurity reference standards– Research materials
• Summary
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CofA: Impurity RSCofA: Impurity RS
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CofA: Impurity RSCofA: Impurity RS
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CofA: Impurity RSCofA: Impurity RS
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CofA: Impurity RSCofA: Impurity RS
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CofA: Impurity RSCofA: Impurity RS
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CofA: Impurity RSCofA: Impurity RS
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CofA: Impurity RSCofA: Impurity RS
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Agenda
• Definition for ‘Certificate of analysis’• Definition for Certificate of analysis
• ISO 31: Certificate Content and StructureISO 31: Certificate Content and Structure
• CertificatesCertificates– Certified reference materials (CRMs)– Primary pharmaceutical reference standards
S d h ti l f t d d– Secondary pharmaceutical reference standards– Impurity reference standards– Research materials
• Summary
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CofA: Research materialCo esea c ate a
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CofA: Research materialCo esea c ate a
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Agenda
• Definition for ‘Certificate of analysis’• Definition for Certificate of analysis
• ISO 31: Certificate Content and StructureISO 31: Certificate Content and Structure
• CertificatesCertificates– Certified reference materials (CRMs)– Primary pharmaceutical reference standards
S d h ti l f t d d– Secondary pharmaceutical reference standards– Impurity reference standards– Research materials
• Summary
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SummarySummary
• Certificates– ... are important documents relevant for the correct use of a
certified reference material O t d d h t i l• Or a standard, or a research material
• Content of certificate– ... is relevant for the corresponding use
• i.e. a research material with poor purity/assay information not suitablefor quantitative purposes like determination of API‘s assay figures orq p p y gimpurity levels
• For both applications high risks of overestimation of analyte
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Closing remarksC os g e a s
• PDF of presentation downloadable from our websitehttp://pharma.lgcstandards.com/g– When on website, look under ‘Events’– PDF is approx. 5 MB
• This webinar last one of our Spring series of webinarsWe will repeat it in Autumn 2013 for Europe and Asia– We will repeat it in Autumn 2013 for Europe and Asia
• The last webinars had more than 100 registrants, so we are quite happy about the success
We will also present the highlights soon for our American– We will also present the highlights soon for our American customers
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Thank you for your attention!
SWEDEN
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FINLANDTurku RUSSIASt Petersburg
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Kyalami Questions?44
SOUTH [email protected]