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Certificate of Analysis

Product:	Gram's Stain Pack
Code:	HS800-S
Lot:	230622
Issue Number:	2
Issue Date:	06/02/2024
Expiry Date:	2025/02
Date of Production:	12/06/2023
Storage:	Store in a cool, dry, well-ventilated place.
HS800-S consists of a pack of reagents suitable for use in the Gram's Stain technique with Safranin (1% aqueous)as counterstain.

Kit components:

Product:	Crystal Violet Oxalate (Gram)
Code:	HS232
Lot:	220277
Issue Date:	08/03/2022
Expiry Date:	2025/02
Date of Production:	28/02/2022
HS232 is a soution of crystal violet oxalate 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:	230621
Issue Date:	20/06/2023
Expiry Date:	2025/06
Date of Production:	12/06/2023
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:	230606
Issue Date:	21/09/2023
Expiry Date:	2025/06
Date of Production:	06/06/2023
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:	220453
Issue Date:	23/06/2022
Expiry Date:	2025/04
Date of Production:	28/04/2022
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:	230502
Issue Date:	06/02/2024
Expiry Date:	2026/05
Date of Production:	02/05/2023
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

For professional use only.

Approved by QC.

TCS Biosciences Ltd - Quality Control Department TCS Biosciences Ltd
Botolph Claydon
Buckingham
MK18 2LR
United Kingdom

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