Certificate of Analysis
| Product: | Haematoxylin Weigert Solution A | |
| Code: | HS375 | |
| Lot: | 220731 | |
| Issue Number: | 2 | |
| Issue Date: | 24/01/2023 | |
| Expiry Date: | 2024/07 | |
| Date of Production: | 19/07/2022 | |
| Storage: | Store in a cool, dry, well-ventilated place. | |
| HS375 Haematoxylin Weigert Solution A is an alcoholic solution of Haematoxylin which, when mixed in equal proportions with HS380 Haematoxylin Weigert Solution B forms an iron haematoxylin solution suitable for use as a progressive nuclear stain to differentiate acidic cell components; i.e. demonstrating collagen and muscle with Van Gieson stain and the trichrome connective tissue stains. For best results mix HS375 Haematoxylin Weigert Solution A and HS380 Haematoxylin Weigert Solution B immediately prior to use. Store working solution at 2-8°C for up to 60 days. | ||
| This product has been checked against the current TCS specification for the following test(s): | ||
| Result | ||
| Spectrophotometric analysis | SOP 6A.16 | Conforms |
| Stain intensity | SOP 6A.0 | Conforms |
| Stain colour | SOP 6A.0 | Conforms |
| Background | SOP 6A.0 | Conforms |
| Absence of precipitate | SOP 6A.0 | Conforms |
| Uniform staining | SOP 6A.0 | Conforms |
|
For professional use only. |
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TCS Biosciences Ltd 
