dvr CALCON SOLOCHROME DARK BLUE

CALCON SOLOCHROME DARK BLUE excellent quality manufacturer, exporter and supplier.

Technical Specifications:
C.A.S. No. 2538-85-4
CI NO. 15705
M.F. C20H13N2NaO5S
M.W. 416.39gm/mole

Specifications:

Solubility 0.1% (50% EtOH) Clear solution
Suitability as indicator for Metal Titration Passes test
Absorption maximum (Ammonia buffer pH 12.2+2ml EDTA solution) ?max 632-636nm
Absorptivity (A1%,1cm pH 12.2, at ?max on dried substance) >300
Loss On Drying (110°C) <10%
Note:

Description Dark red/reddish purple to brown powder. Solubility 0.1% solution in water should be clear.
Identification (By UV-VIS) Passes test. 
Dye content (Titanometry; on dried substance) :- Min. 45.0% 
Absorption maximum %u03BB max (buffer pH 12.2, on dried sub.) :- 632 %u2013 636 nm 
Absorptivity (A1% / 1 cm at %u03BB max. 0.0015%; buffer pH 12.2; on dried subs.) :- 200 – 300 

Description Dark red/reddish purple to brown powder. Solubility 0.1% solution in water should be clear.
Identification (By UV-VIS) Passes test. 
Dye content (Titanometry; on dried substance) :- Min. 45.0% 
Absorption maximum %u03BB max (buffer pH 12.2, on dried sub.) :- 632 %u2013 636 nm 
Absorptivity (A1% / 1 cm at %u03BB max. 0.0015%; buffer pH 12.2; on dried subs.) :- 200 – 300 
 

Note: This article uses material from the http://rxmarine.com/