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Certificate of Analysis

Product:	Trichrome Stain (Masson) Pack Aniline Blue
Code:	HS773-AB
Lot:	250216
Issue Number:	1
Issue Date:	13/02/2025
Expiry Date:	2026/11
Date of Production:	06/02/2025
Storage:	HS773-AB consists of a pack of reagents suitable for differentiating collagen from muscle tissue in frozen and paraffin sectioned tissue samples with a counterstain of aniline blue.

Kit components:

Product:	Ponceau Fuchsin (Masson)
Code:	HS670
Lot:	241158
Issue Date:	02/12/2024
Expiry Date:	2026/11
Date of Production:	27/11/2024
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:	250214
Issue Date:	13/02/2025
Expiry Date:	2027/02
Date of Production:	06/02/2025
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:	250215
Issue Date:	13/02/2025
Expiry Date:	2027/02
Date of Production:	06/02/2025
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:	Aniline Blue (Masson)
Code:	HS125
Lot:	250118
Issue Date:	16/01/2025
Expiry Date:	2027/01
Date of Production:	15/01/2025
HS125 is a dark blue aqueous solution of Aniline Blue in acetic acid.
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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