certified reference material


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certified reference material

[′sərd·ə‚fīd ′ref·rəns ¦mə′tir·ē·əl]
(analytical chemistry)
A reference material, one or more of whose property values are certified by a technically valid procedure, for which a certificate or other documentation has been issued by an appropriate certifying agency.
References in periodicals archive ?
ATCC Certified Reference Materials are intended to be used to challenge assay performance, validate or compare test methods, and to establish sensitivity, linearity and specificity during assay validation or implementation.
Certification of C-reactive protein in reference material ERM[R]DA472/IFCC: Certified Reference Material ERM[R] DA472/IFCC.
Certification of proteins in the human serum: certified reference material ERM[R]-DA470k/IFCC.
Certified reference materials do more than provide a way of monitoring the quality of current methodologies, however.
00 mg/L) samples and the certified reference material (5.
In essence, a primary standard has all the characteristics that might be found in a Certified Reference Material (CRM).
In the paper, the NIST researchers have explained the basis for the differing interpretations and have offered a solution using the agency's certified reference material for human Y-chromosome DNA profiling (Standard Reference Material 2395), a collection of Y-STR markers that can serve as a means for genetic labs to calibrate their testing equipment.
For long-term in-house work, a stable in-house material or certified reference material should be used.
The certified reference material provider has increased its product range fur food safety and quality, industry and occupational hygiene.
Although the availability of a certified reference material allows different diagnostic companies to produce cystatin C assays with reduced interassay variability, further optimization of the individual assays is required to produce the best possible interassay agreement.
This is mainly for two reasons: (1) I didn't do justice to a key reference material cast member, the Certified Reference Material and (2) the botanist escaped to a tropical Island off the South East coast of Africa.
A certified reference material was used to verify both the flame and furnace methods, obtaining excellent recoveries.
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