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Certificate of Analysis

Product:	Trichrome Stain (Masson) Pack Light Green
Code:	HS773-LG
Lot:	230980
Issue Number:	1
Issue Date:	09/10/2023
Expiry Date:	2025/07
Date of Production:	27/09/2023
Storage:	Store in a cool, dry, well-ventilated place.
HS773-LG consists of a pack of reagents suitable for differentiating collagen from muscle tissue in frozen and paraffin sectioned tissue samples with a counterstain of light green.

Kit components:

Product:	Ponceau Fuchsin (Masson)
Code:	HS670
Lot:	230977
Issue Date:	09/10/2023
Expiry Date:	2025/09
Date of Production:	27/09/2023
HS670 is a deep red aqueous solution of Ponceau de Xylidine and Acid Fuchsin in 1% acetic acid which is used primarily as a Trichrome stain for differentiating collagen from muscle tissue.
This product has been checked against the current TCS specification for the following test(s):
		Result
Spectrophotometric analysis	SOP 6A.16	Conforms

Product:	Phosphotungstic Acid Solution (B)
Code:	HK020
Lot:	230978
Issue Date:	09/10/2023
Expiry Date:	2025/09
Date of Production:	27/09/2023
HK020 is an aqueous solution of phosphotungstic acid. It is a component in the Trichrome (Masson) Stain Pack HS773-AB or HS773-LG for differentiating collagen from muscle tissue in frozen and paraffin tissue samples with a counterstain of aniline blue or light green (Masson).
This product has been checked against the current TCS specification for the following test(s):
		Result
Visual QC check	SOP Manual 6	Conforms

Product:	Phosphomolybdic Acid Solution (C)
Code:	HK018
Lot:	230979
Issue Date:	09/10/2023
Expiry Date:	2025/09
Date of Production:	27/09/2023
HK018 is an aqueous solution of phosphomolybdic acid. It is a component in the Trichrome Stain (Masson) Pack HS773-AB or HS773-LG for differentiating collagen from muscle tissue in frozen and paraffin tissue samples with a counterstain of aniline blue or light green (Masson).
This product has been checked against the current TCS specification for the following test(s):
		Result
Visual QC check	SOP Manual 6	Conforms

Product:	Light Green (Masson)
Code:	HS405
Lot:	230707
Issue Date:	13/07/2023
Expiry Date:	2025/07
Date of Production:	10/07/2023
HS405 is an acidified aqueous solution of Light Green SF which is primarily used as a trichrome counterstain for differentiating collagen from muscle tissue.
This product has been checked against the current TCS specification for the following test(s):
		Result
Spectrophotometric analysis	SOP 6A.16	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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