50%:
外观Appearance 黄色透明溶液
浓度Concentration 49 - 51 %
90%,用于分子生物学研究:
外观Appearance 白色至类白色粉末
核磁Proton NMR spectrum Conforms to Structure
纯度Purity ≥90.0% (HPLC)
干燥损失Loss on Drying ≤15.0 %
组成composition Sodium, ≥10 mol/mol ICP
磷Phosphorus (Dry Basis) 23.0 - 28.0 % (by ICP Atomic emission)
钙Calcium (Dry Basis) 5.0 - 10.0 %(by ICP Atomic emission)
无机磷Inorganic Phosphorus ≤0.1%
水溶解试验solubility in Water Clear ,50MG/ML
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