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- 白色晶体粉末。
熔点: 190-192℃
pH range 7.6 - 9.0
pKa (25 °C) 8.3
质量标准
项目 生化试剂级
(BC)
纯度assay ≥99%(T)
重金属Heavy Metals (as Pb) <5PPM
灼烧残渣Residue On Ignition ≤0.1%
项目超纯级
纯度assay ≥99.0%(T)
红外光谱InfraredComplies
水分Moistrue≤0.5%
铁Iron(Fe)<5PPM
氯Chloride≤0.05%
硫酸根Sulfate ≤0.05%
灼烧残渣Residue On Ignition ≤0.1%
重金属Heavy Metals (as Pb) <3PPM
pH(1% in H2O) 4.0-5.0
A260(1M,water): ≤0.05
A280(1M,water): ≤0.05
贮存:室温保存
用途:生物缓冲剂低温生化工作中推荐buffer。用在制备稳定的底物溶液,用于血清鸟嘌呤酶测定。也是用途非常广泛的一种Buffer,用于酶反应缓冲液,电泳缓冲液,工作浓度从3-100mM。
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