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- 熔点:324℃
pH range 9.7 - 11.1
useful pH range 9.7 - 11.1
pKa (25 °C) 10.4
pKa10.4
质量标准
品级Grade 生化试剂级
(BC)
外观Appearance白色结晶粉末
红外光谱鉴别Infrared spectrometry 和对照匹配
纯度Purity≥99.0% (中和滴定)
水分water ≤1%(K.F)
重金属(以Pb计)Heavy metals≤5PPM
品级Grade 超纯级
外观Appearance白色结晶粉末
红外光谱鉴别Infrared spectrometry 和对照匹配
纯度Purity≥99.0% (中和滴定)
水分water ≤1%(K.F)
重金属(以Pb计)Heavy metals≤5PPM
钠Na<50PPM
A260,0.5M water <0.2
A280,0.5M water <0.2
贮存:室温保存
用途:缓冲液
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