| Product: | Phosphotungstic Acid Solution (B) |
| Code: | HK020 |
| Lot: | 250549 |
| Issue Date: | 29/05/2025 |
| Expiry Date: | 2027/05 |
| Date of Production: | 28/05/2025 |
| HK020 is an aqueous solution of phosphotungstic acid. It is a component in the Trichrome (Masson) Stain Pack HS773-AB or HS773-LG for differentiating collagen from muscle tissue in frozen and paraffin tissue samples with a counterstain of aniline blue or light green (Masson). |
| This product has been checked against the current TCS specification for the following test(s): |
| | | Result |
| Visual QC check | SOP Manual 6 | Conforms |