Ring trial test item
HOMOGENEITY of ring trial test items The homogeneity of a proficiency testing (PT) item, also known as a ring trial test item, is crucial to ensure that the proficiency test results are reliable and comparable …
SHAPYPRO Intercomparison quality
Quality is paramount in our Proficiency Testing Program. We strive to uphold the highest standards in every aspect of Intercomparison quality. Get ready to showcase your excellence and contribute to the quality that defines us! …