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Food additives data book - wordpres

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PURITY %: 90% total colouring matters<br />

WATER CONTENT MAXIMUM IN %: 2<br />

HEAVY METAL CONTENT MAXIMUM IN 40<br />

ppm:<br />

ARSENIC CONTENT MAXIMUM IN ppm: 3<br />

ASH MAXIMUM IN %: 1<br />

SOLUBILITY % AT VARIOUS TEMPERATURE/pH COMBINATIONS:<br />

in water: @ 20°C Insoluble Readily soluble in alkali (but becomes orange (red colour))<br />

@ 50°C Insoluble Readily soluble in alkali (but becomes orange (red colour))<br />

@ 100°C Insoluble Readily soluble in alkali (but becomes orange (red colour))<br />

in vegetable oil: @ 20°C

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