6. 601 to 999 - Physical Testing, Animal Feed, Biologics, Dietary Supplements, Food & Perishables, Industrial, PT Scheduled Studies, Topicals & Cosmetics, USP Proficiency Testing Program
USP <736> Chromatography GC-MS PT for Nitrosamine #PHPT-040
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 |
Product Details
Qualitative and Quantitative Proficiency Test (PT) for laboratories performing GC-MS Assay of pharmaceutical material by USP general chapter <736> or equivalent. Participants may report qualitative and/or quantitative results. Samples provided as a three sample panel. Each sample will contain 1.5 mL sample volume and is sufficient for duplicate analyses. One of three samples will be positive for target analyte. Two of the three samples will be negative for the target analytes. Indicate present for sample that contains the target analyte(s) and indicate absent for the two samples that do not contain the target analyte(s). At least two of the three analytes will be present in the positive samples provided.
Analytes: N-Nitrosodimethylamine, N-Nitrosodiphenylamine, N-Nitrosodi-n-propylamine
