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Certificate of Analysis

Product:	Elastin Stain Kit - Weigert/Van Gieson
Code:	HS242
Lot:	191256
Issue Number:	1
Issue Date:	30/01/2020
Expiry Date:	2021/09
Date of Production:	28/01/2020
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.

Kit components:

Product:	Potassium Permanganate (A)
Code:	HK023
Lot:	191254
Issue Date:	30/01/2020
Expiry Date:	2021/12
Date of Production:	09/12/2019
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:	191255
Issue Date:	30/01/2020
Expiry Date:	2021/12
Date of Production:	09/12/2019
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:	203156
Issue Date:	30/01/2020
Expiry Date:	2022/01
Date of Production:	28/01/2020
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:	191207
Issue Date:	30/01/2020
Expiry Date:	2021/09
Date of Production:	02/12/2019
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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