Product Details
Product Details
Quantitative Proficiency Test (PT) for laboratories performing Colorimetric Titration Assay by USP <541> or equivalent. Participants report quantitative results for their sample(s). Samples provided two vials containing 500mg of material. Participants are asked to determine the concentration in percentage (%) of target analyte in the sample per the USP monograph or equivalent.
Target Analyte: Calcium Ascorbate, powdered or granulated solid
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
