描述
Catalog No.XLIND76-60-8.0010
CAS No.76-60-8
Formula：C21H14O5Br4S
Capacity:10g
Specification
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pH transition range……………………………………3.8(yellow-green)~5.4(Blue)
Maximum absorption wavelength:……………………………………………………….
入1(pH3.8)……………………………………………………………………..440~445nm
入2(pH5.4)……………………………………………………………………..615~618nm
Mass absorption coefficient:……………………………………………………………….
α1(入1，pH3.8,dry sample)………………………………………..24~28L/(cm.g)
α2(入2，pH5.4,dry sample)………………………………………..53~58L/(cm.g)
Ethanol dissolved test ……………………………………………………………Pass test
Loss on drying………………………………………………………………………. ≤3.0%
Residue on ignition(as sulfate)…………………………………………………≤0.25%
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