Categories: Stains Indicator Reagents-69
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Product Short Description: HYDROXY NAPHTHOL BLUE (ACS GRADE)
Product Description:
HYDROXY NAPHTHOL BLUE ACS GRADE excellent quality manufacturer, exporter and supplier. Hydroxynaphthol blue, disodium salt is used for determining the endpoint in metal complexation titrations. Hydroxynaphthol blue is an azo dye.
HYDROXY NAPHTHOL BLUE ACS GRADE excellent quality manufacturer, exporter and supplier. Hydroxynaphthol blue, disodium salt is used for determining the endpoint in metal complexation titrations. Hydroxynaphthol blue is an azo dye.
 
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Product Technical Specification:
C.A.S. No. 165660-27-5
M.F. C20H12N2O11Na2S3
M.W. 598.50gm/mole

Specifications:

Solubility 0.1 % (Dist. Water) Clear solution
Suitability for Calcium determination Passes test
Absorption maximum (Ammonia buffer pH 12.0+2ml 0.05M E.D.T.A.) ?max 645-650nm
Absorptivity (A1% 1cm at ?max, in Ammonia buffer pH 12.0+2ml 0.05M E.D.T.A.) >350
Loss On Drying (110°C) <5%
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