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Certificate of Analysis

Product:	Gram's Stain Pack
Code:	HS802-S
Lot:	220251
Issue Number:	2
Issue Date:	29/03/2022
Expiry Date:	2023/07
Date of Production:	15/02/2022
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:	220272
Issue Date:	08/03/2022
Expiry Date:	2025/01
Date of Production:	24/02/2022
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:	220250
Issue Date:	08/03/2022
Expiry Date:	2024/02
Date of Production:	15/02/2022
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:	211266
Issue Date:	29/03/2022
Expiry Date:	2024/12
Date of Production:	23/12/2021
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:	220181
Issue Date:	23/06/2022
Expiry Date:	2024/04
Date of Production:	25/01/2022
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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