Do you need to troubleshoot proficiency testing performance, train new staff, or test new methods? Quality Reference Materials (QRMs) provide known samples with reliable report results to validate quality control. Use the code QRMSALE to save 25% when purchasing any QRM in February.
Every QRM purchase includes peer-reviewed reports with
- Consensus mean
- Standard deviation
- z-score (with chart)
- Kernel density plot for various components
- Buy now & Save --> https://www.aocs.org/qrm