Indanthrene yellow paper #90751

Indanthrene yellow paper


Item#: 90751

Price: $23.00


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Pack Size: box of 200 strips
Hazard Class /UN Number: Not Restricted
Storage Temp: Room Temperature

Indanthrene yellow paper is used to determine the end point in the conversion of vat dyes to the leuco form. In the presence of excess sodium hydrosulphite (sodium dithionite) and alkali the yellow paper turns blue. Because of the special purpose,indanthrene yellow paper is also called Hydrosulphite paper.

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