
OCCUPATION AND HEALTH ›› 2026, Vol. 42 ›› Issue (13): 1752-1757.
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CHEN Feng1, WANG Wenjie2, GU Xinyi1(
), ZHANG Lulu1, WANG Huiqing3
Received:2025-09-12
Revised:2025-12-23
Online:2026-07-01
Published:2026-07-14
Contact:
GU Xinyi, E-mail:xy217@qq.com
CLC Number:
CHEN Feng, WANG Wenjie, GU Xinyi, ZHANG Lulu, WANG Huiqing. Horizontal heating graphite furnace atomic absorption spectroscopy for beryllium element in human blood and urine. [J]OCCUPATION AND HEALTH, 2026, 42(13): 1752-1757.
| 步骤 | 温度(℃) | 坡升时间(s) | 维持时间(s) | 内部流量(mL/min) | 气体类型 |
|---|---|---|---|---|---|
| 1 | 130 | 1 | 30 | 250 | 氩气 |
| 2 | 180 | 15 | 30 | 250 | 氩气 |
| 3 | 1 200 | 10 | 20 | 250 | 氩气 |
| 4 | 2 300 | 0 | 5 | 0 | 氩气 |
| 5 | 2 300 | 1 | 3 | 250 | 氩气 |
| 步骤 | 温度(℃) | 坡升时间(s) | 维持时间(s) | 内部流量(mL/min) | 气体类型 |
|---|---|---|---|---|---|
| 1 | 130 | 1 | 30 | 250 | 氩气 |
| 2 | 180 | 15 | 30 | 250 | 氩气 |
| 3 | 1 200 | 10 | 20 | 250 | 氩气 |
| 4 | 2 300 | 0 | 5 | 0 | 氩气 |
| 5 | 2 300 | 1 | 3 | 250 | 氩气 |
| 样品名 | 1 μg/L | 2 μg/L | 5 μg/L |
|---|---|---|---|
| WS/T 46—1996 | 0.920±0.030 | 1.930±0.050 | 4.800±0.080 |
| 改进的新方法 | 1.010±0.030 | 2.020±0.050 | 4.980±0.080 |
| 样品名 | 1 μg/L | 2 μg/L | 5 μg/L |
|---|---|---|---|
| WS/T 46—1996 | 0.920±0.030 | 1.930±0.050 | 4.800±0.080 |
| 改进的新方法 | 1.010±0.030 | 2.020±0.050 | 4.980±0.080 |
| 方法 | 本底值 (μg/L) | 标准曲线 (μg/L) | 工作曲线 (μg/L) | 回收率(%) | |
|---|---|---|---|---|---|
| 标准曲线 | 工作曲线 | ||||
| 血样(曲拉通法) | 0.003 | 1.670~1.960 | 1.960~2.160 | 83.350~97.850 | 97.850~107.850 |
| 血样(酸脱蛋白法) | 0.003 | 1.750~1.890 | 1.910~2.060 | 87.350~94.350 | 95.350~102.850 |
| 尿样(直接稀释法) | 0.000 | 1.880~1.940 | 1.930~2.080 | 94.000~97.000 | 96.500~104.000 |
| 方法 | 本底值 (μg/L) | 标准曲线 (μg/L) | 工作曲线 (μg/L) | 回收率(%) | |
|---|---|---|---|---|---|
| 标准曲线 | 工作曲线 | ||||
| 血样(曲拉通法) | 0.003 | 1.670~1.960 | 1.960~2.160 | 83.350~97.850 | 97.850~107.850 |
| 血样(酸脱蛋白法) | 0.003 | 1.750~1.890 | 1.910~2.060 | 87.350~94.350 | 95.350~102.850 |
| 尿样(直接稀释法) | 0.000 | 1.880~1.940 | 1.930~2.080 | 94.000~97.000 | 96.500~104.000 |
| 基体改进剂 | 回归方程 | 2 μg/L吸光度 (A) | 相关 系数 |
|---|---|---|---|
| 无基体改进剂 | Y=0.013 56X+0.000 02 | 0.027 | 0.997 8 |
| 磷酸二氢铵 | Y=0.023 10X+0.000 06 | 0.046 | 0.999 3 |
| 氯化钯(酸脱蛋白法) | Y=0.046 39X+0.000 06 | 0.090 | 0.999 8 |
| 氯化钯(曲拉通法) | Y=0.040 21X+0.000 03 | 0.080 | 0.999 6 |
| 氯化钯(尿稀释法法) | Y=0.044 32X+0.000 04 | 0.089 | 0.998 9 |
| 抗坏血酸 | Y=0.020 60X-0.000 05 | 0.041 | 0.999 8 |
| 硝酸镁+硝酸镧 | Y=0.032 10X+0.000 03 | 0.064 | 0.997 8 |
| 磷酸二氢铵+硝酸镁 | Y=0.029 80X+0.000 04 | 0.060 | 0.998 9 |
| 磷酸二氢铵+抗坏血酸 | Y=0.030 90X+0.000 03 | 0.062 | 0.996 2 |
| 基体改进剂 | 回归方程 | 2 μg/L吸光度 (A) | 相关 系数 |
|---|---|---|---|
| 无基体改进剂 | Y=0.013 56X+0.000 02 | 0.027 | 0.997 8 |
| 磷酸二氢铵 | Y=0.023 10X+0.000 06 | 0.046 | 0.999 3 |
| 氯化钯(酸脱蛋白法) | Y=0.046 39X+0.000 06 | 0.090 | 0.999 8 |
| 氯化钯(曲拉通法) | Y=0.040 21X+0.000 03 | 0.080 | 0.999 6 |
| 氯化钯(尿稀释法法) | Y=0.044 32X+0.000 04 | 0.089 | 0.998 9 |
| 抗坏血酸 | Y=0.020 60X-0.000 05 | 0.041 | 0.999 8 |
| 硝酸镁+硝酸镧 | Y=0.032 10X+0.000 03 | 0.064 | 0.997 8 |
| 磷酸二氢铵+硝酸镁 | Y=0.029 80X+0.000 04 | 0.060 | 0.998 9 |
| 磷酸二氢铵+抗坏血酸 | Y=0.030 90X+0.000 03 | 0.062 | 0.996 2 |
| 样品浓度 | 批内精密度实验结果 | 批间精密度实验结果 | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 测定值 | 均值 | s | RSD(%) | 测定值 | 均值 | s | RSD(%) | |||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |||||||
| 1 μg/L血样 | 0.960 | 1.030 | 0.980 | 1.070 | 0.990 | 1.030 | 1.050 | 1.020 | 0.037 | 3.630 | 1.020 | 1.010 | 1.030 | 1.030 | 0.960 | 0.970 | 1.030 | 1.010 | 0.031 | 3.000 |
| 2 μg/L血样 | 1.930 | 1.960 | 1.960 | 2.080 | 1.930 | 2.110 | 1.980 | 1.990 | 0.067 | 3.370 | 1.980 | 1.890 | 1.920 | 2.030 | 2.120 | 1.970 | 2.050 | 1.990 | 0.082 | 4.010 |
| 5 μg/L血样 | 4.890 | 4.960 | 4.830 | 5.030 | 4.960 | 5.130 | 5.020 | 4.970 | 0.091 | 1.830 | 5.050 | 5.120 | 5.210 | 5.150 | 4.890 | 4.910 | 5.070 | 5.060 | 0.131 | 2.580 |
| 1 μg/L尿样 | 1.020 | 1.050 | 0.980 | 0.990 | 0.970 | 1.010 | 1.030 | 1.010 | 0.027 | 2.670 | 0.980 | 1.030 | 0.960 | 0.970 | 1.040 | 0.960 | 1.030 | 1.000 | 0.035 | 3.470 |
| 2 μg/L尿样 | 2.030 | 1.980 | 1.990 | 1.930 | 2.060 | 2.040 | 2.020 | 2.010 | 0.041 | 2.040 | 2.020 | 2.070 | 1.920 | 1.970 | 1.910 | 2.070 | 2.100 | 2.010 | 0.071 | 3.390 |
| 5 μg/L尿样 | 4.980 | 4.970 | 4.930 | 4.990 | 5.030 | 4.970 | 5.010 | 4.980 | 0.030 | 0.600 | 5.120 | 5.090 | 4.880 | 5.130 | 4.960 | 5.120 | 5.060 | 5.050 | 0.105 | 2.070 |
| 样品浓度 | 批内精密度实验结果 | 批间精密度实验结果 | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 测定值 | 均值 | s | RSD(%) | 测定值 | 均值 | s | RSD(%) | |||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | |||||||
| 1 μg/L血样 | 0.960 | 1.030 | 0.980 | 1.070 | 0.990 | 1.030 | 1.050 | 1.020 | 0.037 | 3.630 | 1.020 | 1.010 | 1.030 | 1.030 | 0.960 | 0.970 | 1.030 | 1.010 | 0.031 | 3.000 |
| 2 μg/L血样 | 1.930 | 1.960 | 1.960 | 2.080 | 1.930 | 2.110 | 1.980 | 1.990 | 0.067 | 3.370 | 1.980 | 1.890 | 1.920 | 2.030 | 2.120 | 1.970 | 2.050 | 1.990 | 0.082 | 4.010 |
| 5 μg/L血样 | 4.890 | 4.960 | 4.830 | 5.030 | 4.960 | 5.130 | 5.020 | 4.970 | 0.091 | 1.830 | 5.050 | 5.120 | 5.210 | 5.150 | 4.890 | 4.910 | 5.070 | 5.060 | 0.131 | 2.580 |
| 1 μg/L尿样 | 1.020 | 1.050 | 0.980 | 0.990 | 0.970 | 1.010 | 1.030 | 1.010 | 0.027 | 2.670 | 0.980 | 1.030 | 0.960 | 0.970 | 1.040 | 0.960 | 1.030 | 1.000 | 0.035 | 3.470 |
| 2 μg/L尿样 | 2.030 | 1.980 | 1.990 | 1.930 | 2.060 | 2.040 | 2.020 | 2.010 | 0.041 | 2.040 | 2.020 | 2.070 | 1.920 | 1.970 | 1.910 | 2.070 | 2.100 | 2.010 | 0.071 | 3.390 |
| 5 μg/L尿样 | 4.980 | 4.970 | 4.930 | 4.990 | 5.030 | 4.970 | 5.010 | 4.980 | 0.030 | 0.600 | 5.120 | 5.090 | 4.880 | 5.130 | 4.960 | 5.120 | 5.060 | 5.050 | 0.105 | 2.070 |
| 编号 | 本底均值 (μg/L) | 加标量 (μg/L) | 加标后测定值 (μg/L) | 平均回收率 (%) |
|---|---|---|---|---|
| 血样1 | 0.003 | 1.000 | 1.020 | 101.700 |
| 血样2 | 0.003 | 2.000 | 1.990 | 99.350 |
| 血样3 | 0.003 | 5.000 | 4.970 | 99.340 |
| 尿液1 | 0.000 | 1.000 | 1.010 | 101.000 |
| 尿液2 | 0.000 | 2.000 | 2.010 | 100.500 |
| 尿液3 | 0.000 | 5.000 | 4.980 | 99.600 |
| 编号 | 本底均值 (μg/L) | 加标量 (μg/L) | 加标后测定值 (μg/L) | 平均回收率 (%) |
|---|---|---|---|---|
| 血样1 | 0.003 | 1.000 | 1.020 | 101.700 |
| 血样2 | 0.003 | 2.000 | 1.990 | 99.350 |
| 血样3 | 0.003 | 5.000 | 4.970 | 99.340 |
| 尿液1 | 0.000 | 1.000 | 1.010 | 101.000 |
| 尿液2 | 0.000 | 2.000 | 2.010 | 100.500 |
| 尿液3 | 0.000 | 5.000 | 4.980 | 99.600 |
| 保存时间(d) | 测定血铍浓度 | 测定尿铍浓度 |
|---|---|---|
| 1 | 2.030±0.080 | 2.020±0.060 |
| 7 | 1.980±0.090 | 2.000±0.090 |
| 14 | 1.980±0.080 | 2.010±0.100 |
| 30 | 1.950±0.090 | 1.970±0.090 |
| 60 | 1.930±0.100 | 1.960±0.100 |
| RSD(%) | 1.920 | 1.300 |
| 保存时间(d) | 测定血铍浓度 | 测定尿铍浓度 |
|---|---|---|
| 1 | 2.030±0.080 | 2.020±0.060 |
| 7 | 1.980±0.090 | 2.000±0.090 |
| 14 | 1.980±0.080 | 2.010±0.100 |
| 30 | 1.950±0.090 | 1.970±0.090 |
| 60 | 1.930±0.100 | 1.960±0.100 |
| RSD(%) | 1.920 | 1.300 |
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