Certified reference material
for gold (SH-24) was obtained from Rock labs Ltd., Auckland, New Zealand.
Commutability of serum protein values: persisting bias among manufacturers using values assigned from the certified reference material
470 (CRM 470) in the United States.
Certification of C-reactive protein in reference material ERM[R]DA472/IFCC: Certified Reference Material
In the February issue of this journal, Bunk and Welch (11) reported the characterization of a new certified reference material
for human cardiac troponin I.
Determination of copper, zinc, cadmium and lead in a fish otolith certified reference material
by isotope dilution inductively coupled plasma mass spectrometry using off-line solvent extraction.
This certified reference material
is 100% compatible with all makes of instruments and probes.
A certified reference material
is a small sample of metal which is carefully analysed so that it can be used in laboratories to help standardise analytical instruments.
The Japanese Committee for Clinical Laboratory Standards and the National Metrology Institute of Japan developed both a pure substance C-peptide certified reference material
and a reference measurement procedure that were listed by the JCTLM.
Transpiration is a systematic error that increases the concentration of a certified reference material
as time passes.