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Alizarin red S for microscopy 100GM
10054SG100834192502LS
For Microscopy8341925
130-22-360067
C14H6Na2O7SDecember 2019
364.24November 2024
Sr.No.TestResultSpecification
1DescriptionYellow to orange powder.Yellow to orange powder.
2SolubilityPassesSoluble in water and alcohol.
3Dye content (Spectrophotometry, on dry basis)71.15%min. 70.00%
4pH transition range (pH 4.3 - 6.3)CompliesBrilliant yellow to pink
5pH transition range (pH 9.4 - 12.0)CompliesBrown orange to violet
6Absorption, L max (pH 4.3)423 nm418 - 424nm
7Absorption, L max (pH 6.3)514 nm514 - 520nm
8Absorption, L max (pH 9.4)446 nm445 - 451nm
9Absorption, L max (pH 12.0)558 nm554 - 558nm
10Loss on drying,110°C4.08%8.00% 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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