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表4 Pb等5种待测元素的加样回收率试验结果(n=9)                        表5    小儿氨酚黄那敏颗粒中Pb等5种待测元素的测定
        Tab 4 Results of recovery tests of 5 elements to be de-  结果(n=3,mg/kg)
               termined as Pb(n=9)                         Tab 5 Results of content determination of 5 elements

         待测元素 已知量,ng  加入量,ng  测得量,ng 加样回收率,% 平均加样回收率,% RSD,%      to be determined in Pediatric paracetamol
         Pb    145.85  120.00  246.21  83.63  89.44  5.87         artificial cow-bezoar and chlorphenamine ma-
               146.05  120.00  243.50  81.21                      leate granules(n=3,mg/kg)
               147.86  120.00  248.01  83.46
               147.48  150.00  282.32  89.89                厂家     Pb      As     Cu      Cd     Hg    总含量
               146.93  150.00  285.03  92.07                M1    0.317 8  <     0.058 6  <     0.005 4  0.381 8
               147.62  150.00  289.49  94.58                M2    0.448 2  <     0.049 8  0.078 8  0.004 6  0.581 4
               147.22  180.00  313.10  92.16                M3    0.306 1  0.003 8  0.067 6  <  0.003 6  0.381 1
               146.81  180.00  314.45  93.13                M4    0.290 8  N/A   0.046 6  <     0.003 2  0.340 6
               146.20  180.00  316.83  94.79                M5    0.584 5  N/A   0.074 6  <     0.003 7  0.662 8
         As     3.78   3.20  6.98   100.00   99.56  5.43    M6    0.291 1  0.007 5  0.072 7  0.001 6  0.001 9  0.374 8
                3.78   3.20  6.92   98.12                   M7    0.311 4  N/A   0.034 7  <     0.002 9  0.349 0
                3.83   3.20  6.93   96.88                   M8    0.300 0  0.007 7  0.034 1  <  0.002 7  0.344 5
                3.82   4.00  7.60   94.50                   M9    0.774 3  0.002 5  0.049 1  <  0.004 4  0.830 3
                3.80   4.00  7.86   101.50                  M10   0.316 3  <     0.046 3  <     0.003 0  0.365 6
                3.82   4.00  7.44   90.50                   M11   0.608 2  N/A   0.054 0  <     0.003 1  0.665 3
                3.81   4.80  8.67   101.25                  M12   0.471 2  N/A   0.046 2  0.001 5  0.003 0  0.521 9
                3.80   4.80  9.02   108.75                  M13   0.296 1  <     0.212 6  <     0.002 8  0.511 5
                3.79   4.80  8.81   104.58                  M14   0.628 6  N/A   0.044 2  <     0.002 4  0.675 2
         Cu     36.41  32.00  68.93  101.62  96.12  4.62    M15   0.362 4  0.002 5  0.034 2  <  0.003 2  0.402 3
                36.46  32.00  69.80  104.19                 M16   0.820 9  <     0.051 4  <     0.002 7  0.875 0
                36.91  32.00  66.71  93.12                  M17   0.389 2  0.047 4  0.086 3  0.001 5  0.003 4  0.527 8
                36.81  40.00  75.23  96.05                  M18   0.458 3  N/A   0.043 7  <     0.003 5  0.505 5
                36.68  40.00  76.00  98.30                  M19   0.385 6  N/A   0.053 5  <     0.003 6  0.442 7
                36.85  40.00  74.95  95.25                  M20   0.345 4  0.005 9  1.549 0  0.003 1  0.002 9  1.906 3
                36.75  48.00  80.70  91.56                  M21   1.527 6  0.009 5  0.066 8  0.002 2  0.003 3  1.609 4
                36.65  48.00  81.29  93.00                  M22   0.687 2  <     0.054 4  <     0.003 7  0.745 3
                36.49  48.00  80.63  91.96                  M23   0.345 5  0.009 2  0.061 6  0.002 0  0.003 0  0.421 3
         Cd     0.78   0.64  1.44   103.12   105.82  2.80   M24   0.316 9  0.006 6  0.091 7  0.001 9  0.002 4  0.419 5
                0.78   0.64  1.43   101.56                  M25   0.338 6  0.005 2  0.093 0  0.001 6  0.002 8  0.441 2
                0.79   0.64  1.49   109.38                  M26   0.328 9  0.009 0  0.047 2  <  0.002 6  0.387 7
                0.79   0.80  1.65   107.5                   M27   0.348 2  0.005 8  0.052 1  <  0.002 6  0.408 7
                0.78   0.80  1.60   102.5                   M28   0.384 6  0.012 7  0.077 6  0.002 5  0.002 7  0.480 1
                0.79   0.80  1.65   107.5                   M29   0.325 0  0.008 7  0.061 7  0.001 5  0.002 9  0.399 8
                0.78   0.96  1.82   108.33                  M30   0.410 4  0.011 4  0.296 1  0.002 0  0.002 8  0.722 7
                0.78   0.96  1.82   108.33                  M31   1.336 4  0.002 7  0.053 2  <  0.003 8  1.396 1
                0.78   0.96  1.78   104.17                  M32   0.475 9  0.005 4  0.046 6  <  0.004 1  0.532 0
         Hg     0.96   0.80  1.65   86.25    90.23  3.59    M33   0.312 4  0.006 5  0.127 3  0.001 6  0.002 7  0.450 5
                0.96   0.80  1.69   91.25                   M34   0.390 9  0.002 9  0.047 1  0.001 9  0.002 4  0.445 2
                0.97   0.80  1.72   93.75                   M35   0.346 4  0.006 6  0.056 9  0.002 6  0.002 9  0.415 4
                0.97   1.00  1.86   89.00                   M36   0.350 0  0.005 4  0.052 9  <  0.005 4  0.413 7
                0.96   1.00  1.89   93.00                   M37   0.336 3  N/A   0.064 3  <     0.003 6  0.404 2
                0.97   1.00  1.85   88.00                   M38   0.327 8  0.005 8  0.061 9  <  0.003 4  0.398 9
                0.97   1.20  2.04   89.17                   M39   0.416 6  0.009 5  0.102 2  0.001 8  0.003 7  0.533 8
                0.96   1.20  2.10   95.00                   M40   0.191 0  0.003 7  0.105 5  0.001 6  0.002 8  0.304 6
                0.96   1.20  2.00   86.67                   M41   0.295 8  0.006 9  0.068 0  0.001 6  0.003 0  0.375 3
                                                            M42   0.288 5  0.006 7  0.145 6  0.001 8  0.003 5  0.446 1
        3 讨论                                                M43   0.274 8  0.010 1  0.088 0  <  0.002 8  0.375 7
        3.1 待测元素的选择                                         M44   0.280 3  0.012 1  0.091 6  <  0.002 5  0.386 5
                                                            M45   0.281 8  0.010 2  0.136 9  <  0.002 5  0.431 4
            参考《ICH Q3D元素杂质指导原则》中的元素分类,
                                                            M46   0.802 9  0.022 6  0.094 2  0.002 1  0.002 2  0.924 0
        Pb、Cd、As、Hg为1类杂质,在药品生产中禁用或限制使                       M47   0.299 7  0.015 5  0.175 5  <  0.002 3  0.493 0
                                                            M48   0.275 5  0.006 3  0.072 4  <  0.002 5  0.356 7
          [15]
        用 ;2020 年版《中国药典》(四部)通则“9302 中药有害
                                                            M49   0.287 1  0.011 5  0.062 9  <  0.002 4  0.363 9
        残留物限量制定指导原则”指出,重金属及有害元素主
                                                               注:N/A表示低于检测限;<表示低于定量限
        要为 Pb、Hg、Cd、Cu、As 等 。小儿氨酚黄那敏颗粒生
                               [16]
                                                               Note:N/A means lower than the detection limit;<means lower
        产厂家较多,其原辅料的购进渠道及生产工艺各不相                            than the limit of quantitation
        中国药房    2021年第32卷第18期                                            China Pharmacy 2021 Vol. 32 No. 18  ·2221 ·
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