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Orange II ≥97.0% (by HPLC)
Orange II ≥97.0% (by HPLC)
Supplier:  TCI
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Orange II ≥97.0% (by HPLC)
Supplier:  TCI

Specification Test Results

  • Appearance:
    Orange to Brown to Dark red powder to crystal
  • Purity (HPLC):
    min. 97.0 area%
  • Lambda max.:
    482.0 to 486.0 nm (0.02mol/L AcONH4 sol.)
  • Absorbance (E1%1cm):
    min. 500 (0.02mol/L AcONH4 sol., 482.0 to 486.0 nm)

Specification Test Results

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