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Hydroxynaphthol blue indicator 25GM
10787SG025854794318LT
Indicator8547943
63451-35-470220
C20H11N2Na3O11S3December 2020
620.48November 2025
Sr.No.TestResultSpecification
1Descriptiondark blue powder.Dark blue powder.
2SolubilityPassesSoluble in water.
3Absorptivity(1%, 1cm, on dry basis) at 646 nm in pH 12.0344Min. 300
4Loss on drying,105°C3.37%5.0% max
5Suitability as metal ion indicator (for Ca)PassesPasses test
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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