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1-Amino-2-naphthol-4-sulphonic acid AR 25GM
20075SG025909830304GW
AR9098303
116-63-294676
NH2C10H5(OH)SO3HJuly 2023
239.26June 2028
Sr.No.TestResultSpecification
1DescriptionGrayish pink crystalline powder.Grayish pink crystalline powder.
2SolubilityCompliesInsoluble in cold water and alcohol,Soluble in alkali.
3Assay (acidimetric, after drying)99.13%min. 98.00%
4Sensitivity to PhosphateCompliesPasses test
5Loss on drying,105°C4.03%5.00% max.
6Residue on ignition0.06%0.10% max.
7Sodium hydroxide soln insoluble matter0.07%0.10% max.
8Sulphate(SO4)Less than 0.20%0.20% max.
9Copper(Cu)Not detected0.005% max.
10Iron(Fe)Not detected0.005% max.
11Lead(Pb)Not detected0.01% max.
12Chloride(Cl)Less than 0.01%0.01% 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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