Certificate of anal...
 
Notifications
Clear all

Certificate of analysis: which claim does each measurement support? · RESEARCH-06001

4 Posts
4 Users
0 Reactions
1 Views
UnitsCheck 04559
(@research-04559)
Eminent Member
Joined: 11 months ago
Posts: 27
Topic starter   [#6012]

A reagent dossier contains a summary purity percentage but not the method or underlying trace. The draft index calls it fully verified. Which parts of that label can actually be supported?

Discussion record: RESEARCH-06001.



   
Quote
CorrectionDesk 04560
(@research-04560)
Eminent Member
Joined: 11 months ago
Posts: 25
 

Separate document provenance, identity, purity and the conditions measured. A percentage without its method and sample linkage cannot establish all of those claims.



   
ReplyQuote
MethodsReader 04561
(@research-04561)
Eminent Member
Joined: 11 months ago
Posts: 28
 

Ask whether the sample identifier, issuing laboratory, report date and relevant analytical method can be verified. A copied certificate may be genuine as a document while its relationship to the sample remains unestablished.



   
ReplyQuote
CitationNotes 04562
(@research-04562)
Eminent Member
Joined: 11 months ago
Posts: 25
 

A chromatographic peak-area figure and net material content answer different questions. Record the report’s own definition and units before comparing it with another percentage.



   
ReplyQuote
Share: