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Certificate of Analysis

Product:	Alcian Blue PAS Stain Pack
Code:	HS114
Lot:	191099
Issue Number:	3
Issue Date:	22/11/2019
Expiry Date:	2021/08
Date of Production:	16/10/2019
Storage:	Store in the fridge at 2 - 8 oC
HS114 consists of a pack of reagents suitable for the demonstration of and distinction between acid and neutral mucins in tissue samples.

Kit components:

Product:	Alcian Blue 8GX in Acetic Acid
Code:	HS116
Lot:	191096
Issue Date:	22/11/2019
Expiry Date:	2021/10
Date of Production:	16/10/2019
HS116 is an aqueous solution of Alcian Blue 8GX and acetic acid. It may be used in the histological staining of acid mucins.
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

Lot:	191030
Issue Date:	07/10/2019
Expiry Date:	2021/10
Date of Production:	07/10/2019
This product has been checked against the current TCS specification for the following test(s):
		Result
Visual QC check	SOP Manual 6	Conforms

Product:	Feulgen Stain (Schiff)
Code:	HS265
Lot:	190825
Issue Date:	07/11/2019
Expiry Date:	2021/08
Date of Production:	12/08/2019
HS265 is a reagent used to test for aldehydes and ketones and in histochemistry to detect polysaccharides, DNA and proteins. It consists of a solution of pararosaniline hydrochloride that has been decolourised by sulphur dioxide. Aliphatic aldehydes restore the pink immediately, whereas aromatic ketones have no effect on the reagent. Aromatic aldehydes and aliphatic ketones restore the colour slowly. HS265 may also be used in any other technique when Feulgen stain is specified.
This product has been checked against the current TCS specification for the following test(s):
		Result
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
Visual QC check	SOP Manual 6	Conforms

Product:	Haemalum Mayer
Code:	HS315
Lot:	190916
Issue Date:	07/11/2019
Expiry Date:	2021/09
Date of Production:	03/09/2019
HS315 is a trivalent alum metal-haematein complex staining solution. Typically this is used as a progressive nuclear stain or as a counterstain in haematoxylin-eosin staining (H&E) in histology and clinical cytology to differentiate nuclei, cytoplasma and squamous cells under microscopic examination.
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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