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Certificate of Analysis

Product:	Elastin Stain Kit - Weigert/Van Gieson
Code:	HS242
Lot:	180726
Issue Number:	1
Issue Date:	11/07/2018
Expiry Date:	2019/10
Date of Production:	03/07/2018
Storage:	Store in a cool, dry, well-ventilated place.
HS242 consists of a pack of reagents suitable for use in histological staining procedures to demonstrate elastin fibres in tissue sections.
Notes: Certificate will be updated with additional testing result for HS780 when this is available. Check our website for Dyes and Stains certificate updates.

Kit components:

Product:	Potassium Permanganate (A)
Code:	HK023
Lot:	180716
Issue Date:	11/07/2018
Expiry Date:	2020/07
Date of Production:	02/07/2018
HK023 is an acidified aqueous solution of potassium permanganate. It is a component in the Elastin Stain (Weigert) Pack HS242 for the demonstration of elastin fibres in tissue sections.
This product has been checked against the current TCS specification for the following test(s):
		Result
Visual QC check	SOP Manual 6	Conforms

Product:	Oxalic Acid Solution 5% (B)
Code:	HK016
Lot:	180713
Issue Date:	11/07/2018
Expiry Date:	2020/07
Date of Production:	02/07/2018
HK016 is an aqueous solution of oxalic acid. It is a component in the Elastin Stain (Weigert) Pack HS242 for the demonstration of elastin fibres in tissue sections.
This product has been checked against the current TCS specification for the following test(s):
		Result
Visual QC check	SOP Manual 6	Conforms

Product:	Elastin Stain (Weigert)
Code:	HS240
Lot:	171104
Issue Date:	14/11/2017
Expiry Date:	2019/10
Date of Production:	06/11/2017
HS240 is complex alcoholic solution with constituents including basic fuchsin, crystal violet, resorcinol and iron (III) chloride hexahydrate. It may be used in histological staining procedures to demonstrate elastin fibres in tissue sections.
This product has been checked against the current TCS specification for the following test(s):
		Result
Spectrophotometric analysis	SOP 6A.16	Conforms

Product:	Van Gieson Stain
Code:	HS780
Lot:	180658
Issue Date:	14/08/2018
Expiry Date:	2020/06
Date of Production:	12/06/2018
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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