Certificate of Analysis
| Product: | Sorensen Buffer Concentrate pH 6.8 | |
| Code: | HDS10 | |
| Lot: | 251009 | |
| Issue Number: | 1 | |
| Issue Date: | 16/10/2025 | |
| Expiry Date: | 2027/10 | |
| Date of Production: | 07/10/2025 | |
| Storage: | Store in a cool, dry, well-ventilated place. | |
| A clear, colourless aqueous solution of phosphate buffer salts preserved with 0.1% sodium azide. Suitable for use, when diluted 1:200 in distilled or deionised water, as a dilution/wash buffer in manual and automated Romanowsky staining of blood films. Diluted solution pH = 6.8 ± 0.1. | ||
| This product has been checked against the current TCS specification for the following test(s): | ||
| Result | ||
| pH Check | SOP Manual 6 | Conforms |
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For professional use only. |
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TCS Biosciences Ltd 
