Arsenazo III ≥79% for spectrophotometric determination of Th, Zr, U, Cd, Zn, Ca, Fluka™
: 2,7-Bis(2-arsonophenylazo)chromotropic acid, 2,7-Bis(2-arsonophenylazo)-1,8-dihydroxynaphthalene-3,6-disulphonic acid, 2,2′-(1,8-Dihydroxy-3,6-disulphonaphthylene-2,7-bisazo)bisbenzenearsonic acid, Arsenazo Ⅲ
:1668-00-4
:
:C₂₂H₁₈As₂N₄O₁₄S₂
:MFCD00036695
:Dec.
:776.38 g/mol
:320 °C
:Ambient
:216-788-6
:3280
:6.1 II
:GHS06
:GHS09
- Environmentally Preferable:
- Assay (HPLC):Min. 79 %
- Colour of the solution:complying
- Loss on drying (110°C):Max. 10 %
- Sulfated ash:Max. 1 %
- Calcium (Ca):Max. 500 ppm
- Cadmium (Cd):Max. 50 ppm
- Chromium (Cr):Max. 200 ppm
- Magnesium (Mg):Max. 50 ppm
- Molybdenum (Mo):Max. 50 ppm
- Zinc (Zn):Max. 50 ppm
- Absorbtion (1%/1cm):Min. 300
- Absorption maximum:535 - 543 nm