6. 601 to 999 - Physical Testing, Animal Feed, Biologics, Dietary Supplements, Food & Perishables, Hemp & Cannabis, Industrial, PT Scheduled Studies, Topicals & Cosmetics, USP Proficiency Testing Program
USP <621> Chromatography UPLC Proficiency Test
Product Details
Product Details
Qualitative and Quantitative Proficiency Test (PT) for laboratories performing Ultra High Pressure Liquid Chromatography UPLC by USP <621> or equivalent. Participants may report qualitative and/or quantitative results for their sample(s). Samples provided as a three sample panel. One of three samples will be positive for target analyte. Participants are asked to identify the positive sample by UPLC peak retention time match (ID Test). Determine the concentration (Assay) in percentage (%) of target analyte in the sample solution per the USP monograph or equivalent.
Positive Sample: Acetaminophen, powdered solid
Negative Samples: Ibuprofen, powdered solid
Acetaminophen (powdered solid) Reference Material Standard will be provided with the Proficiency Test Samples
USP PT Schedule
USP PT Schedule
| Study Number | Study Open Date | Study Close Date |
| PH-0422 | 4/18/2022 |
07/15/2022* Extended from 6/9/22 |
| PH-0922 | 9/19/2022 | 11/18/2022 |
| PH-0123 | 1/16/2023 | 3/17/2023 |
| PH-0523 | 5/15/2023 | 6/14/2023 |
MSDS/SDS
