6. 601 to 999 - Physical Testing, Animal Feed, Biologics, Dietary Supplements, Food & Perishables, Hemp & Cannabis, Industrial, Microbiology, PT Scheduled Studies, Topicals & Cosmetics, USP Proficiency Testing Program
USP <731> Loss on Drying 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
Quantitative Proficiency Test (PT) for laboratories performing Loss on Drying testing by USP <731> or equivalent. Participants report quantitative results for their sample(s). Samples provided in duplicate. Participant will receive two vials containing 2g of material. Participants are asked to determine the percent (%) loss on drying for the sample per the USP monograph or equivalent.
Sample Material: Corn Starch, powdered solid
