6. 601 to 999 - Physical Testing, Animal Feed, Dietary Supplements, Food & Perishables, Hemp & Cannabis, Industrial, PT Scheduled Studies, Shop by Industry, Topicals & Cosmetics, USP Proficiency Testing Program
USP <621> Chromatography GC-FID Proficiency Test
U.S. Pharmacopeia USP PT Program Schedule
| 2023 PH | ||
| Study Number | Study Opens | Study Closes |
| PH-0123 | Jan. 16, 2023 | March 17, 2023 |
| PH-0523 | May 15, 2023 | July 14, 2023 |
| PH-0923 | September 15, 2023 | November 17, 2023 |
| PH-0124 | January 15, 2024 | March 17, 2024 |
MSDS/SDS
Product Details
Qualitative and Quantitative Proficiency Test (PT) for laboratories performing GC-FID Chromatography Assay 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 peak retention time match (ID Test). Determine the concentration (Assay) in percentage (%) of target analyte in the sample per the USP monograph or equivalent.
Positive Sample: Isopropyl alcohol
Negative Samples: Isobutanol
2-Propanol Reference Material Standard will be provided with the Proficiency Test Samples
USP Proficiency Test Schedule
| Study Number | Study Opens | Study Closes |
| PH-0123 | Jan. 16, 2023 | March 17, 2023 |
| PH-0523 | May 15, 2023 | July 14, 2023 |
| PH-0923 | September 15, 2023 | November 17, 2023 |
| PH-0124 | January 15, 2024 | March 17, 2024 |
