98%
外观Appearance 嫩黄色结晶或结晶性粉末,无臭。
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥98.0% (中和滴定)
醇溶性实验Solubility in hot Methanol 带稍许浑浊
水分water ≤ 0.5%
grade matrix substance for MALDI-MS, ≥99.0% (HPLC)
纯度Purity(HPLC) ≥99.0%
外观Appearance Slightly beige powder
熔点Melting point 211-219 °C
Ba: ≤5 ppm
Ca: ≤20 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤20 ppm
K: ≤50 ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Na: ≤50 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Zn: ≤5 ppm
紫外检测UV test in accordance with
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