Food Additive replaces GB 4480 - 88

Ponceau 4R

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1 theme content and suitable scope

Method of the technical requirement that this standard set rouge of additive agent for food is red, experiment, examine regular, mark, pack,

Carry, keep in storage.

This standard is applied to 1 - amino naphthalene - 4 - after sulphur acid is changed via weighing nitrogen with 2 - naphthol - 6, 8 - coincidence of 2 sulphur acerbity natrium and

Become dye. This tasting can add at food, make colorant use.

Structural style: Summary

Structural formula: C20H11N2Na3O10S3

Relative to molecular quality: 604.48(is pressed international is opposite 1989 atomic mass)

2 cite standard

Titrate of GB/T 601 chemical reagents is analysed (the capacity is analysed) the preparation that uses standard solution

Impurity of GB/T 602 chemical reagents determines the preparation that uses standard solution

What GB/T 603 chemical reagents uses the preparation of preparation and goods in experiment method

Arsenic of GB/T 610 chemical reagents determines current method

GB/T 6682 lab uses water standards

Of the arsenic in GB 8450 additive agent for food determine method

3 technologies ask

3.1 exteriors: Red comes cardinal powder.

3.2 differentiate: Accord with examine.

The quality index with red rouge of 3.3 additive agent for food should accord with requirement issueing a list:

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│ index

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Rouge of │ of │ rouge red 82 is red 60

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Content, ％ (│ of 82.0 of │ of M/m) ≥ 60

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Heat reduce an amount (2) of 135 ℃ ± , ％ (│ of M/m) ≤ 10

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Water-insoluble matter, ％ (│ of M/m) ≤ 0.2

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