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Indigo carmine AR 25GM
20792SG025902130311AW
AR9021303
860-22-091244
C16H8N2Na2O8S2January 2023
466.35December 2027
Sr.No.TestResultSpecification
1DescriptionDark blue powder with coppery luster.Dark blue powder with coppery luster.
2SolubilityComplies1% solution in water should be clear.
3Absorption, L max612nm608-612nm
4Absorptivity(A1%,1cm,L max.)423min.400
5Absorption ratio0.990.98-1.07
6Dye content (Titanometry:on dried sub.)86%min.85%
7Sulphated ash32%30-35% (on dried basis)
8Insoluble matter0.1%0.2%max
9Loss on drying,120°C6%10%max
Remarks: THE CAPTIONED BATCH MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF THE ABOVE SPECIFICATION.
FINAR provides this analytical report in good faith and to the best of its knowledge. It should not be substituted for the users own raw material quality control.
Tested By
(Chemist - Quality Control)
Approved By
(Head - Quality Control)
Computer Generated Report - Does not require Signature.
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