Certified Reference Materials cost a fortune in comparison with even high purity reagents as they bear traceability to globally recognized standard bodies and are supplied with a certificate on their composition. A few mg or ml amount can cost as high as several hundred dollars.
Laboratories handling large sample loads can incur heavy recurring costs of certified reference materials. Mostly laboratories resort to use of working standards developed in-house which can be traced to the original certified reference materials.
Today’s lab bytes session offers an economical option for use of such materials.