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Certificate of Analysis

Product:	Gram's Stain Pack
Code:	HS802-NR
Lot:	230964
Issue Number:	1
Issue Date:	09/10/2023
Expiry Date:	2025/04
Date of Production:	25/09/2023
Storage:	Store in a cool, dry, well-ventilated place.
HS802-NR consists of a pack of reagents suitable for use in the Gram's Stain technique with Neutral Red (Jensen) as counterstain.
Notes: Certificate will be updated with additional testing results for HS230 when these are available. Check our website for Dyes and Stains certificate updates.

Kit components:

Product:	Crystal Violet (Gram)
Code:	HS230
Lot:	230905
Issue Date:	06/02/2024
Expiry Date:	2026/09
Date of Production:	04/09/2023
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:	230963
Issue Date:	09/10/2023
Expiry Date:	2025/09
Date of Production:	25/09/2023
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:	Neutral Red (Jensen)
Code:	HS570
Lot:	220638
Issue Date:	22/09/2022
Expiry Date:	2025/06
Date of Production:	28/06/2022
HS570 is a solution of Neutral Red which is suitable for use as a counterstain in the Gram's 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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