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Fluorescein series products Product name: Fluorescein Potassium salt; Fluorescein Sodium salt CAS No. :6417-85-2 & CAS NO. :518-47-8 Molecular formula : C20H12O5k2 &C20H12O5Na2 Specification: 40% water solution Quality index NO. Test Item Test result 1 Appearance Brown liquid 2 Concentration 40%±2 3 Insolubles ≤0.2% 4 PH 7.0-9.0 5 Funguses None Use Industry: Fluorescent tracers for boiler water and cooling water systems Analysis: Biological staining, fluorescence labeling,
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