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Certificate of Analysis

Product:	Gram's Stain Pack
Code:	HS802-S
Lot:	220413
Issue Number:	1
Issue Date:	25/04/2022
Expiry Date:	2024/04
Date of Production:	06/04/2022
Storage:	Store in a cool, dry, well-ventilated place.
HS802-S consists of a pack of reagents suitable for use in the Gram's Stain technique with Safranin (1% aqueous) as counterstain.
Notes: Certificate will be updated with additional testing results for HS720 when these are available. Check our website for Dyes and Stains certificate updates.

Kit components:

Product:	Crystal Violet (Gram)
Code:	HS230
Lot:	220319
Issue Date:	29/03/2022
Expiry Date:	2025/01
Date of Production:	07/03/2022
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:	220411
Issue Date:	25/04/2022
Expiry Date:	2024/04
Date of Production:	06/04/2022
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:	220263
Issue Date:	19/04/2022
Expiry Date:	2024/11
Date of Production:	17/02/2022
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:	220325
Issue Date:	29/03/2022
Expiry Date:	2025/03
Date of Production:	09/03/2022
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:	220342
Issue Date:	23/06/2022
Expiry Date:	2024/04
Date of Production:	17/03/2022
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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