blue-ray red. Soluble in water for the red, slightly soluble in ethanol for pink. The strong sulfuric acid in blue, diluted into pink. In water solution to join strong hydrochloric acid for the red; Add thick sodium hydroxide solution into purple.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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|
Fading
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Stain
|
Fading
|
Stain
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Fading
|
Stain
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ISO
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4-5
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|
|
|
1
|
|
|
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