for the spectrophotometric det. of Fe, ≥99.0%
Synonym(s): 4,7-Diphenyl-1,10-phenanthroline-disulfonic acid disodium salt trihydrate; Disodium bathophenanthrolinedisulfonate trihydrate
Empirical Formula: C24H14N2Na2O6S2 -+ 3H2O
Formula Weight: 590.53
Linear Formula: C24H14N2Na2O6S2 -+ 3H2O
Purity: ≥99.0% (UV); ≥99.0%