Rhodizonic acid disodium salt indicator for sulfate titration

Code: 1065950005 D2-231

Analysis Note

Assay (perchloric acid titration): ≥ 98.5 %Identity (UV/VIS-Spectrum): passes testAbsorption maximum λmax.(Hydrochloric acid 0.1 mol/l): 3...


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Analysis Note

Assay (perchloric acid titration): ≥ 98.5 %Identity (UV/VIS-Spectrum): passes testAbsorption maximum λmax.(Hydrochloric acid 0.1 mol/l): 317 - 320 nmSpec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; hydrochloric acid 0.1 mol/l): ≥ 540Suitability as indicator (for sulfate titration): passes test

bulk density620 kg/m3
formsolid
InChI keyWNLGVLVRNGQRFD-UHFFFAOYSA-N
InChI1S/C6O6.2Na/c7-1-2(8)4(10)6(12)5(11)3(1)9;;/q-2;2*+1
mp>300 °C
Quality Level100
storage temp.15-25°C
Cas Number523-21-7
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