GR for analysis for the determination of ascorbic acid
Synonym(s): 2,6-Dichlorophenol-indophenol sodium salt dihydrate
Empirical Formula (Hill Notation): C12H6Cl2NNaO2 · 2H2O
Assay (perchloric acid titration, calculated on dried substance): ≥ 98
Identity (IR-spectrum): passes test
TLC-Test: passes test
Foreign coloring agents: passes test
Loss on drying (120 °C): ≤ 12.0 %
Rp 1.040.000
Rp 9.679.000
Rp 8.004.000
Rp 6.397.000
Rp 1.091.000
Rp 5.011.000
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