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Certificate of Analysis

Product:	Haematoxylin/Van Gieson "HVG Pack" Elastin
Code:	HS373
Lot:	171083
Issue Number:	2
Issue Date:	14/12/2017
Expiry Date:	2019/03
Date of Production:	11/10/2017
Storage:	Store in a cool, dry, well-ventilated place.
HS373 is an iron/haematoxylin based pack of reagents suitable for use in the histological demonstration of elastin and collagen fibres.

Kit components:

Product:	Alcoholic Harmatoxylin Stain (A)
Code:	HK002
Lot:	171084
Issue Date:	12/10/2017
Expiry Date:	2019/10
Date of Production:	11/10/2017
HK002 is an alcoholic solution of haematoxylin. It is a component in the Haematoxylin/Van Gieson Stain Pack HS373 for use in the demonstration of elastin and collagen fibres.
This product has been checked against the current TCS specification for the following test(s):
		Result
Visual QC check	SOP Manual 6	Conforms

Product:	Ferric Chloride Solution (B)
Code:	HK008
Lot:	171085
Issue Date:	12/10/2017
Expiry Date:	2019/10
Date of Production:	11/10/2017
HK008 is an aqueous solution of ferric chloride. It is a component in the Haematoxylin/Van Gieson Stain Pack HS373 for use in the demonstration of elastin and collagen fibres.
This product has been checked against the current TCS specification for the following test(s):
		Result
Visual QC check	SOP Manual 6	Conforms

Product:	Weigert Iodine (C)
Code:	HK036
Lot:	171086
Issue Date:	12/10/2017
Expiry Date:	2019/03
Date of Production:	11/10/2017
HK036 is a solution of iodine and potassium iodide. It is a component in the Haematoxyin/Van Gieson Stain Pack HS373 for use in the demonstration of elastin and collagen fibres.
This product has been checked against the current TCS specification for the following test(s):
		Result
Iodine colour check	SOP 6A.17	Conforms

Product:	Van Gieson Stain
Code:	HS780
Lot:	171066
Issue Date:	14/12/2017
Expiry Date:	2019/06
Date of Production:	11/10/2017
HS780 is an aqueous solution of Fuchsin acid (Acid Violet 19) and picric acid which is suitable for the demonstration of collagen in many techniques where Van Gieson stain is specified.
This product has been checked against the current TCS specification for the following test(s):
		Result
Spectrophotometric analysis	SOP 6A.16	Conforms
Stain intensity	SOP 6A.0	Conforms
Stain colour	SOP 6A.0	Conforms
Background	SOP 6A.0	Conforms
Absence of precipitate	SOP 6A.0	Conforms
Uniform staining	SOP 6A.0	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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