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滴定剂/指示剂/显色剂
锌试剂 ≥85%(HPLC)2-Carboxy-2"-hydroxy-5"-sulfoformazylbenzene Sodium Salt Zincon monosodium salt 2-[5-(2-Hydroxy-5-sulfophenyl)-3-phenyl-1-formazyl]benzoic acid monoso
专利蓝 VF 钠盐 Dye content 50 %Patent Blue VF is also known as patent blue violet, Acid blue 1. Color Index Number: 42045
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