| Product: | Crystal Violet (Gram) | | Code: | HS230 | | Lot: | 210982 | | Issue Date: | 02/12/2021 | | Expiry Date: | 2023/09 | | Date of Production: | 28/09/2021 | | HS230 is a solution of crystal violet which is suitable for use in the Gram Stain technique. | | This product has been checked against the current TCS specification for the following test(s): | | | | Result | | Spectrophotometric analysis | SOP 6A.16 | Conforms | | Functionality test | SOP 6A.2 | Conforms |
| Product: | Grams' Iodine Diluent | | Code: | HS305X | | Lot: | 211066 | | Issue Date: | 04/11/2021 | | Expiry Date: | 2023/10 | | Date of Production: | 26/10/2021 | Notes: Certificate will be updated with additional testing results when these are available. Check our website for Dyes and Stains certificate updates. | | This product has been checked against the current TCS specification for the following test(s): | | | | Result | | Visual QC check | SOP Manual 6 | Conforms |
| Product: | Grams' Iodine Concentrate | | Code: | HS305Y | | Lot: | 211065 | | Issue Date: | 24/02/2022 | | Expiry Date: | 2023/07 | | Date of Production: | 26/10/2021 | | This product has been checked against the current TCS specification for the following test(s): | | | | Result | | Functionality test | SOP 6A.2 | Conforms | | Iodine colour check | SOP 6A.17 | Conforms |
| Product: | Gram's Decolouriser | | Code: | HS310 | | Lot: | 211060 | | Issue Date: | 19/04/2022 | | Expiry Date: | 2023/10 | | Date of Production: | 25/10/2021 | | HS310 is a mixture of acetone and iso-propanol suitable for use as a decolouriser in the Gram Stain technique. | | This product has been checked against the current TCS specification for the following test(s): | | | | Result | | Functionality test | SOP 6A.2 | Conforms | | Visual QC check | SOP Manual 6 | Conforms |
| Product: | Safranin (1% aqueous) | | Code: | HS720 | | Lot: | 210935 | | Issue Date: | 02/12/2021 | | Expiry Date: | 2023/04 | | Date of Production: | 13/09/2021 | | HS720 is an aqueous solution of Safranin O which is suitable for use as a counterstain in the Gram Stain technique. | | This product has been checked against the current TCS specification for the following test(s): | | | | Result | | Spectrophotometric analysis | SOP 6A.16 | Conforms | | Functionality test | SOP 6A.2 | Conforms |
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TCS Biosciences Ltd 
