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SANCO/11368/2011-EN Rev. 3 - Izba Mleka

SANCO/11368/2011-EN Rev. 3 - Izba Mleka

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6<br />

Assay Content not less than 85 % total colouring matters<br />

calculated as the sodium salt<br />

E1cm 1 % 530 at ca 426 nm in aqueous solution<br />

Description Light orange powder or granules<br />

Identification<br />

Purity<br />

Appearance of the aqueous<br />

solution<br />

Yellow<br />

Spectrometry Maximum in water at ca 426 nm<br />

Water insoluble matter Not more than 0,2 %<br />

Subsidiary colouring<br />

matters<br />

Organic compounds other<br />

than colouring matters:<br />

4-hydrazinobenzene<br />

sulfonic acid<br />

4-aminobenzene-1sulfonic<br />

acid<br />

5-oxo-1-(4sulfophenyl)-2pyrazoline-3carboxylic<br />

acid<br />

4,4′diazoaminodi(benzen<br />

e sulfonic acid)<br />

Tetrahydroxysuccini<br />

c acid<br />

Unsulfonated primary<br />

aromatic amines<br />

Not more than 1,0 %<br />

Total not more than 0,5 %<br />

Not more than 0,01 % (calculated as aniline)<br />

Ether extractable matter Not more than 0,2 % under neutral conditions<br />

Arsenic Not more than 3 mg/kg<br />

Lead Not more than 2 mg/kg<br />

Mercury Not more than 1 mg/kg<br />

6

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