
Matrix-matched RM's and CRM's check the accuracy and precision of results from runs of samples being analysed by a specific analytical method. They are also used to check sample custody procedure, sample traceability and for instrument calibration Their property values (recommended concentrations and limits) are based on a measurement campaign using independent laboratories.
AMIS Reference Materials are an essential part of sample / assay quality assurance programs. For regional exploration sampling, resource definition, mine production control, process control and metal accounting.