Properties and Applications
red light navy blue. Soluble in water for the navy, slightly soluble in alcohol. The strong sulfuric acid for dark blue-green, diluted into purple. The dye solution to join strong hydrochloric acid for dark purple, have precipitation; Add thick sodium hydroxide solution into a dark.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
|
Soaping
|
Water
|
Fading
|
Stain
|
Fading
|
Stain
|
ISO
|
4
|
4
|
3
|
1-2
|
|
1
|
|