1材料与实验
21批牛黄解毒片(1#~21#)市售品经中国药品生物制品检定所依1995年版中国药典方法检验,均符合规定。对21批样品经粉碎研磨并过100目筛后供X衍射实验用。日本理学Rigaku D/max-RC粉末X射线衍射仪,实验条件为:CuKα辐射,石墨单色器,2θ范围3~70°,扫描速度8(°)*min-1,步长0.02°,共获得21批样品的粉末X衍射图(图1)。
图1牛黄解毒片的X衍射付里叶图谱
(Ⅰ~Ⅶ组,每组3批样品)
2分析与结果
Ⅰ组(1#、2#、3#,广西万通):3者的X衍射图形拓扑一致,共同的特征标记峰有48个,其均
值[记为d/(I/I0),下同]为:7.65/261,6.08/50,5.97/432,5.85/582,5.79/603,5.55/48,5.44/
1003,5.04/404,4.72/36,4.65/40,4.53/37,4.29/441,4.14/36,4.09/47,3.81/34,3.77/35,3.68/
37,3.64/362,3.60/35,3.18/693,3.08/36,3.06/481,3.01/36,2.982/452,2.935/60,2.892/
361,2.794/29,2.736/563,2.700/32,2.603/32,2.528/30,2.498/352,2.488/29,2.450/26,2.402/
26,2.364/282,2.267/28,2.247/24,2.238/24,2.198/30,2.136/29,2.079/222,1.858/23,1.803/
22,1.710/17,1.697/16,1.682/203,1.675/18,1.505/13
右上角1,2,3,4依序表示石膏、一水草酸钙(以下简称为草酸钙)、雄黄、冰片的衍射峰(下
同)。
Ⅱ组(4#、5#、6#,广西平乐):3者的X衍射图形拓扑一致,共同的特征标记峰有46个,其均
值为:9.44/50,6.03/58,5.97/952,5.83/632,4,5.76/573,5.56/52,5.43/873,5.18/51,5.07/
534,4.81/52,4.73/56,4.60/59,4.54/60,4.47/55,4.42/55,4.34/56,4.28/601,4.09/61,3.99/
53,3.94/53,3.81/53,3.78/55,3.66/1002,3.36/62,3.18/633,3.12/62,3.06/461,2.976/
792,2.933/55,2.897/531,2.733/483,2.603/38,2.502/542,2.469/37,2.361/542,2.271/37,2.198
/33,2.133/34,2.081/342,1.982/31,1.936/28,1.866/29,1.851/27,1.802/25,1.682/223,1.530/
20
Ⅲ组(7#、8#、9#,山西华康):3者的X衍射图形拓扑一致,共同的特征标记峰有53个,其均
值为:9.43/22,7.53/251,6.06/54,5.97/542,5.84/692,4,5.76/572,5.54/53,5.43/1003,5.18/
35,5.05/374,4.96/38,4.64/43,4.55/39,4.34/44,4.27/451,4.08/58,3.80/40,3.74/38,3.66/
592,3.35/60,3.28/39,3.18/743,3.06/471,3.00/42,2.972/612,2.933/57,2.881/311,2.791/
33,2.735/593,2.701/35,2.603/35,2.524/33,2.498/382,2.456/29,2.407/30,2.360/372,2.265/
33,2.237/28,2.200/30,2.134/35,2.080/262,1.983/23,1.933/23,1.856/26,1.820/25,1.800/
22,1.709/18,1.700/19,1.685/19,1.676/213,1.504/14,1.373/22
Ⅳ组(10#、11#、12#,广西柳州):3者的X衍射图形拓扑一致,共同的特征标记峰有55个,其
均值为:9.44/35,7.53/191,6.84/20,6.07/48,5.97/482,5.84/632,4,5.76/523,5.54/45,5.44/
1003,5.05/344,4.64/34,4.59/33,4.55/34,4.26/351,4.13/33,4.08/45,3.91/31,3.81/31,3.75/
32,3.66/482,3.62/31,3.35/32,3.18/693,3.12/38,3.06/441,2.996/36,2.974/512,2.933/
56,2.791/26,2.735/563,2.705/30,2.602/32,2.522/27,2.498/382,2.481/31,2.448/25,2.407/
25,2.361/312,2.266/28,2.237/25,2.200/30,2.135/29,2.082/202,1.984/22,1.934/19,1.860/
25,1.842/19,1.819/21,1.800/20,1.733/17,1.708/18,1.679/18,1.680/223,1.637/16,1.505/14
上列4组样品的X衍射付里叶图形拓扑规律一致,共同衍射峰为39个(占各自总衍射峰比例依
次为0.81,0.85,0.74,0.71),取其均值可做为牛黄解毒片的X衍射特征标记峰:9.43/35,7.57/
231,6.06/52,5.97/602,5.84/632,4,5.76/563,5.55/49,5.43/973,5.05/414,4.63/44,4.54/
42,4.27/461,4.08/52,3.81/40,3.76/40,3.65/612,3.18/693,3.06/461,3.00/38,2.97/592,2.93/
57,2.89/401,2.79/29,2.73/553,2.70/32,2.60/34,2.52/30,2.50/412,2.45/29,2.40/27,2.36/
372,2.26/34,2.19/30,2.13/32,2.08/252,1.85/25,1.80/22,1.68/213,1.50/14
Ⅴ组(13#、14#、15#,合肥生化):3者的X衍射图形拓扑一致,但衍射峰强度差异大,共同特
征标记峰有38个,其均值为:9.46/9,7.60/121,6.75/13,6.03/26,5.83/312,4,5.73/143,5.03/
184,4.72/20,4.54/20,4.26/191,4.06/17,3.88/16,3.79/16,3.66/192,3.50/100,3.35/18,3.12/
14,3.03/181,2.975/152,2.858/383,2.810/24,2.793/19,2.500/132,2.482/14,2.463/12,2.358/
142,2.331/21,2.213/20,2.189/14,2.146/10,2.091/122,2.078/12,1.998/10,1.937/9,1.871/
19,1.850/14,1.751/13,1.651/13
Ⅵ组(16#、17#、18#,同仁堂):3者的X衍射图形拓扑一致,共同的特征标记峰有40个,其均
值为:9.49/22,7.67/661,6.04/412,5.86/1002,4,5.59/41,5.44/453,5.36/52,5.31/44,5.23/
52,5.06/684,4.93/52,4.83/50,4.73/41,4.65/47,4.48/48,4.30/671,4.17/43,4.09/39,4.03/
44,3.96/47,3.93/42,3.88/47,3.82/51,3.74/37,3.66/452,3.49/32,3.36/32,3.12/293,3.07/
451,3.01/322,2.882/371,2.690/341,2.502/302,2.360/272,2.221/21,2.081/232,1.904/
20,1.886/21,1.852/20,1.816/19
Ⅶ组(19#、20#、21#,黑龙江龙武):3者的X衍射图形拓扑一致,共同的特征标记峰有47个,
其均值为:9.46/30,7.63/531,6.98/46,6.77/56,6.09/46,5.97/602,5.84/762,4,5.75/653,5.44/
673,5.31/60,5.06/634,4.96/60,4.86/58,4.72/100,4.54/91,4.36/71,4.27/601,4.10/57,4.04/
