Indanthrene yellow paper (200 strips)
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Indanthrene yellow paper (200 strips)

The test paper allows the easy determination of hydrosulfite (sodium dithionite).

It is used to determine the endpoint in the conversion of vat dyes to the leuco form. Because of the special purpose, indanthrene yellow paper is also called hydrosulphite paper.

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Quantity / pk 1
Type Indanthrene - Vat dyes
Instr. readable No