檢驗項目Check Item

規(guī)格(BP2000/USP26)

specification

結(jié)果

rusult

外觀Appearance

本品應(yīng)為白色結(jié)晶性粉末

a white crystalling poewer

符合規(guī)定

conforms

鑒別Identification

A:I,R,  B:UV,  C:Color reaction  D:Reaction characteristio of chlorides

符合規(guī)定

conforms

干燥失重Loss on drying

不大于1.0%

not more than 1.0%

      0.85%

灼燒殘渣Residue on ignition

不大于1.0%

not more than 0.1%

      0.058%

色譜純度 Chromatographic purity

不大于0.5%

not more than 0.5%

符合規(guī)定

conforms

 甲基呲啶 Picoline

在262nm吸收度下不大于0.52

       0.41

溶解度Solubility

易溶于水

soluble in water

    符合規(guī)定

conforms

含量Assay

97.5%～101.0%

between 97.5%～101.0%

     99.81%