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© 《China Plastics》
China Plastics ›› 2020, Vol. 34 ›› Issue (9): 73-79.DOI: 10.19491/j.issn.1001-9278.2020.09.013
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Received:
2020-03-24
Online:
2020-09-26
Published:
2020-09-25
CLC Number:
WU Jingwen. Feasibility Study on Detection of Metal Elements and Ions in Plastic Infusion Containers by ICP-OES[J]. China Plastics, 2020, 34(9): 73-79.
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URL: https://www.plaschina.com.cn/EN/10.19491/j.issn.1001-9278.2020.09.013
元素种类 | 波长/ nm | 升温程序/℃ | 背景 校正 | |||
---|---|---|---|---|---|---|
干燥阶段 | 灰化阶段 | 原子化阶段 | 清洗阶段 | |||
Pb | 217.0 | 100 (30) | 800(20) | 1200(3) | 2500(3) | 塞曼扣 背景 |
Cd | 228.8 | 800(20) | 1000(3) | 2500(3) | ||
Cr | 357.9 | 1200(20) | 2500(3) | 2600(3) | ||
Cu | 324.8 | 850(20) | 2100(3) | 2500(3) | ||
Al | 309.3 | 1500(20) | 2300(3) | 2500(3) | ||
Ba | 553.6 | 1600(20) | 2750(3) | 2850(3) | ||
Sn | 286.3 | 800(20) | 2300(3) | 2500(3) |
元素种类 | 波长/ nm | 升温程序/℃ | 背景 校正 | |||
---|---|---|---|---|---|---|
干燥阶段 | 灰化阶段 | 原子化阶段 | 清洗阶段 | |||
Pb | 217.0 | 100 (30) | 800(20) | 1200(3) | 2500(3) | 塞曼扣 背景 |
Cd | 228.8 | 800(20) | 1000(3) | 2500(3) | ||
Cr | 357.9 | 1200(20) | 2500(3) | 2600(3) | ||
Cu | 324.8 | 850(20) | 2100(3) | 2500(3) | ||
Al | 309.3 | 1500(20) | 2300(3) | 2500(3) | ||
Ba | 553.6 | 1600(20) | 2750(3) | 2850(3) | ||
Sn | 286.3 | 800(20) | 2300(3) | 2500(3) |
元素种类 | 谱线选择/nm | 泵速/ r·min-1 | 辅助气流量/ L·min-1 | RF 功率/ W | 观测方式 | ||
---|---|---|---|---|---|---|---|
1 | 2 | 3 | |||||
Pb | 220.353 | 216.999 | 261.418 | 50 | 0.5 | 1150 | 水平 |
Cd | 228.802 | 226.502 | 214.438 | ||||
Cr | 283.563 | 284.325 | 357.869 | ||||
Cu | 324.754 | 327.396 | 224.700 | ||||
Al | 167.079 | 309.271 | 396.152 | ||||
Ba | 455.403 | 493.409 | 230.424 | ||||
Sn | 189.989 | 242.949 | 226.891 |
元素种类 | 谱线选择/nm | 泵速/ r·min-1 | 辅助气流量/ L·min-1 | RF 功率/ W | 观测方式 | ||
---|---|---|---|---|---|---|---|
1 | 2 | 3 | |||||
Pb | 220.353 | 216.999 | 261.418 | 50 | 0.5 | 1150 | 水平 |
Cd | 228.802 | 226.502 | 214.438 | ||||
Cr | 283.563 | 284.325 | 357.869 | ||||
Cu | 324.754 | 327.396 | 224.700 | ||||
Al | 167.079 | 309.271 | 396.152 | ||||
Ba | 455.403 | 493.409 | 230.424 | ||||
Sn | 189.989 | 242.949 | 226.891 |
分析方法 | 元素种类 | 谱线或波长/nm | 回归方程 | 相关系数/r2 | 线性范围/ng·mL-1 |
---|---|---|---|---|---|
ICP?OES法 | Pb | 220.353 | f(x) = 1.381x + 3.651 | 0.999 3 | 0~100 |
216.999 | f(x) = 0.363 6x + 3.690 | 0.998 8 | |||
261.418 | f(x) = 0.205 6x -5.782 | 0.904 1 | |||
Cd | 228.802 | f(x) = 13.30x + 10.28 | 1.000 0 | ||
226.502 | f(x) = 13.26x -0.4050 | 0.998 5 | |||
214.438 | f(x) = 29.86x -0.3090 | 0.999 9 | |||
Cr | 283.563 | f(x)= 13.23x+ 12.28 | 0.996 5 | ||
284.325 | f(x) = 8.971x + 235.7 | 0.996 8 | |||
357.869 | f(x) = 10.45x + 26.93 | 0.994 5 | |||
Cu | 324.754 | f(x) = 24.09x + 130.3 | 0.999 2 | ||
327.396 | f(x) = 13.95x -1.274 | 0.998 9 | |||
224.700 | f(x) = 3.764x -2.034 | 1.000 0 | |||
Al | 167.079 | f(x) = 1.105x + 2.676 | 0.998 8 | ||
309.271 | f(x) = -0.132 6x + 474.0 | 无线性 | |||
396.152 | f(x) = 12.49x -74.10 | 0.990 8 | |||
Ba | 455.403 | f(x) = 104 2x + 311.4 | 0.999 2 | ||
493.409 | f(x) = 637.1x + 2665 | 0.999 0 | |||
230.424 | f(x) = 17.78x + 12.04 | 0.999 7 | |||
Sn | 189.989 | f(x) = 1.799x + 0.480 7 | 0.999 5 | ||
242.949 | f(x) = 0.310 4x -1.965 | 0.992 1 | |||
226.891 | f(x) = 0.230 2x -0.569 6 | 0.999 6 | |||
原子吸收石墨炉法 | Pb | 217.0 | y = 0.003 07x - 0.003 4 | 0 .995 1 | 0~50 |
Cr | 357.9 | y = 0.007 66x-0.018 7 | 0.999 0 | ||
Cu | 324.8 | y = 0.005 36x - 0.002 9 | 0.995 2 | ||
Al | 309.3 | y = 0.001 09x-0.004 7 | 0.997 1 | ||
Ba | 553.6 | y = 0.001 23x + 0.000 8 | 0.995 8 | ||
Sn | 286.3 | y = 0.000 93x + 0.001 0 | 0.996 1 | ||
Cd | 228.8 | y = 0.016 68x-0.010 2 | 0.998 1 |
分析方法 | 元素种类 | 谱线或波长/nm | 回归方程 | 相关系数/r2 | 线性范围/ng·mL-1 |
---|---|---|---|---|---|
ICP?OES法 | Pb | 220.353 | f(x) = 1.381x + 3.651 | 0.999 3 | 0~100 |
216.999 | f(x) = 0.363 6x + 3.690 | 0.998 8 | |||
261.418 | f(x) = 0.205 6x -5.782 | 0.904 1 | |||
Cd | 228.802 | f(x) = 13.30x + 10.28 | 1.000 0 | ||
226.502 | f(x) = 13.26x -0.4050 | 0.998 5 | |||
214.438 | f(x) = 29.86x -0.3090 | 0.999 9 | |||
Cr | 283.563 | f(x)= 13.23x+ 12.28 | 0.996 5 | ||
284.325 | f(x) = 8.971x + 235.7 | 0.996 8 | |||
357.869 | f(x) = 10.45x + 26.93 | 0.994 5 | |||
Cu | 324.754 | f(x) = 24.09x + 130.3 | 0.999 2 | ||
327.396 | f(x) = 13.95x -1.274 | 0.998 9 | |||
224.700 | f(x) = 3.764x -2.034 | 1.000 0 | |||
Al | 167.079 | f(x) = 1.105x + 2.676 | 0.998 8 | ||
309.271 | f(x) = -0.132 6x + 474.0 | 无线性 | |||
396.152 | f(x) = 12.49x -74.10 | 0.990 8 | |||
Ba | 455.403 | f(x) = 104 2x + 311.4 | 0.999 2 | ||
493.409 | f(x) = 637.1x + 2665 | 0.999 0 | |||
230.424 | f(x) = 17.78x + 12.04 | 0.999 7 | |||
Sn | 189.989 | f(x) = 1.799x + 0.480 7 | 0.999 5 | ||
242.949 | f(x) = 0.310 4x -1.965 | 0.992 1 | |||
226.891 | f(x) = 0.230 2x -0.569 6 | 0.999 6 | |||
原子吸收石墨炉法 | Pb | 217.0 | y = 0.003 07x - 0.003 4 | 0 .995 1 | 0~50 |
Cr | 357.9 | y = 0.007 66x-0.018 7 | 0.999 0 | ||
Cu | 324.8 | y = 0.005 36x - 0.002 9 | 0.995 2 | ||
Al | 309.3 | y = 0.001 09x-0.004 7 | 0.997 1 | ||
Ba | 553.6 | y = 0.001 23x + 0.000 8 | 0.995 8 | ||
Sn | 286.3 | y = 0.000 93x + 0.001 0 | 0.996 1 | ||
Cd | 228.8 | y = 0.016 68x-0.010 2 | 0.998 1 |
分析 方法 | 元素种类 | 谱线或波长/nm | SD/ ng·mL-1 | 检出限/ ng·mL-1 | 定量限/ ng·mL-1 |
---|---|---|---|---|---|
ICP?OES法 | Cr | 283.563 | 0.300 1 | 0.90 | 3.00 |
284.325 | 0.531 4 | 1.59 | 5.31 | ||
Ba | 455.403 | 0.105 0 | 0.32 | 1.05 | |
493.409 | 0.112 4 | 0.34 | 1.12 | ||
230.424 | 0.031 8 | 0.10 | 0.32 | ||
Cu | 324.754 | 0.224 6 | 0.67 | 2.25 | |
327.396 | 0.400 2 | 1.20 | 4.00 | ||
224.700 | 0.199 9 | 0.60 | 2.00 | ||
Sn | 189.989 | 0.292 6 | 0.88 | 2.93 | |
226.891 | 2.347 0 | 7.04 | 23.47 | ||
Cd | 228.802 | 0.058 6 | 0.18 | 0.59 | |
226.502 | 0.055 7 | 0.17 | 0.56 | ||
214.438 | 0.015 0 | 0.05 | 0.15 | ||
Al | 167.079 | 0.198 8 | 0.60 | 1.99 | |
Pb | 220.353 | 0.697 0 | 2.09 | 6.97 | |
216.999 | 3.070 3 | 9.21 | 30.70 | ||
原子吸收石墨炉法 | Pb | 217.0 | 0.000 4 | 0.39 | 1.30 |
Cr | 357.9 | 0.000 7 | 0.27 | 0.91 | |
Cu | 324.8 | 0.001 2 | 0.67 | 2.24 | |
Al | 309.3 | 0.000 5 | 1.38 | 4.59 | |
Ba | 553.6 | 0.001 0 | 2.44 | 8.13 | |
Sn | 286.3 | 0.000 9 | 2.90 | 9.68 | |
Cd | 228.8 | 0.000 5 | 0.09 | 0.30 |
分析 方法 | 元素种类 | 谱线或波长/nm | SD/ ng·mL-1 | 检出限/ ng·mL-1 | 定量限/ ng·mL-1 |
---|---|---|---|---|---|
ICP?OES法 | Cr | 283.563 | 0.300 1 | 0.90 | 3.00 |
284.325 | 0.531 4 | 1.59 | 5.31 | ||
Ba | 455.403 | 0.105 0 | 0.32 | 1.05 | |
493.409 | 0.112 4 | 0.34 | 1.12 | ||
230.424 | 0.031 8 | 0.10 | 0.32 | ||
Cu | 324.754 | 0.224 6 | 0.67 | 2.25 | |
327.396 | 0.400 2 | 1.20 | 4.00 | ||
224.700 | 0.199 9 | 0.60 | 2.00 | ||
Sn | 189.989 | 0.292 6 | 0.88 | 2.93 | |
226.891 | 2.347 0 | 7.04 | 23.47 | ||
Cd | 228.802 | 0.058 6 | 0.18 | 0.59 | |
226.502 | 0.055 7 | 0.17 | 0.56 | ||
214.438 | 0.015 0 | 0.05 | 0.15 | ||
Al | 167.079 | 0.198 8 | 0.60 | 1.99 | |
Pb | 220.353 | 0.697 0 | 2.09 | 6.97 | |
216.999 | 3.070 3 | 9.21 | 30.70 | ||
原子吸收石墨炉法 | Pb | 217.0 | 0.000 4 | 0.39 | 1.30 |
Cr | 357.9 | 0.000 7 | 0.27 | 0.91 | |
Cu | 324.8 | 0.001 2 | 0.67 | 2.24 | |
Al | 309.3 | 0.000 5 | 1.38 | 4.59 | |
Ba | 553.6 | 0.001 0 | 2.44 | 8.13 | |
Sn | 286.3 | 0.000 9 | 2.90 | 9.68 | |
Cd | 228.8 | 0.000 5 | 0.09 | 0.30 |
分析 方法 | 元素种类 | 谱线或波长/nm | 20 ng/mL精密度(RSD)/% | 60 ng/mL精密度(RSD) /% |
---|---|---|---|---|
ICP?OES法 | Cr | 283.563 | 1.55 | 0.21 |
284.325 | 2.88 | 0.69 | ||
Ba | 455.403 | 0.33 | 0.34 | |
493.409 | 0.96 | 0.40 | ||
230.424 | 0.52 | 0.21 | ||
Cu | 324.754 | 0.96 | 0.52 | |
327.396 | 3.22 | 0.50 | ||
224.700 | 0.77 | 0.68 | ||
Sn | 189.989 | 1.22 | 0.47 | |
Cd | 228.802 | 0.24 | 0.16 | |
226.502 | 0.47 | 0.33 | ||
214.438 | 0.12 | 0.08 | ||
Al | 167.079 | 0.42 | 0.73 | |
Pb | 220.353 | 2.53 | 0.57 | |
原子吸收石墨炉法 | Pb | 217.0 | 1.78 |  ̄ |
Cr | 357.9 | 1.24 | ||
Cu | 324.8 | 1.13 | ||
Al | 309.3 | 5.53 | ||
Ba | 553.6 | 1.09 | ||
Sn | 286.3 | 2.73 | ||
Cd | 228.8 | 2.41 |
分析 方法 | 元素种类 | 谱线或波长/nm | 20 ng/mL精密度(RSD)/% | 60 ng/mL精密度(RSD) /% |
---|---|---|---|---|
ICP?OES法 | Cr | 283.563 | 1.55 | 0.21 |
284.325 | 2.88 | 0.69 | ||
Ba | 455.403 | 0.33 | 0.34 | |
493.409 | 0.96 | 0.40 | ||
230.424 | 0.52 | 0.21 | ||
Cu | 324.754 | 0.96 | 0.52 | |
327.396 | 3.22 | 0.50 | ||
224.700 | 0.77 | 0.68 | ||
Sn | 189.989 | 1.22 | 0.47 | |
Cd | 228.802 | 0.24 | 0.16 | |
226.502 | 0.47 | 0.33 | ||
214.438 | 0.12 | 0.08 | ||
Al | 167.079 | 0.42 | 0.73 | |
Pb | 220.353 | 2.53 | 0.57 | |
原子吸收石墨炉法 | Pb | 217.0 | 1.78 |  ̄ |
Cr | 357.9 | 1.24 | ||
Cu | 324.8 | 1.13 | ||
Al | 309.3 | 5.53 | ||
Ba | 553.6 | 1.09 | ||
Sn | 286.3 | 2.73 | ||
Cd | 228.8 | 2.41 |
分析方法 | 元素 种类 | 谱线或波长/nm | 20 ng/mL 变化率/% | 60 ng/m 变化率/% |
---|---|---|---|---|
ICP?OES法 | Cr | 283.563 | 12.34 | 5.22 |
284.325 | 11.06 | 4.06 | ||
Ba | 455.403 | 11.73 | 3.44 | |
493.409 | 6.84 | 3.80 | ||
230.424 | 10.22 | 5.20 | ||
Cu | 324.754 | 5.99 | 4.44 | |
327.396 | 9.81 | 1.57 | ||
224.700 | 10.06 | 3.00 | ||
Sn | 189.989 | 11.01 | 2.04 | |
Cd | 228.802 | 9.01 | 3.55 | |
226.502 | 8.59 | 3.88 | ||
214.438 | 10.20 | 3.29 | ||
Al | 167.079 | 9.96 | 2.53 | |
Pb | 220.353 | 13.98 | 4.20 | |
原子吸收石墨炉法 | Pb | 217.0 | 5.18 |  ̄ |
Cr | 357.9 | 5.86 | ||
Cu | 324.8 | 3.41 | ||
Al | 309.3 | 9.06 | ||
Ba | 553.6 | 4.41 | ||
Sn | 286.3 | 13.29 | ||
Cd | 228.8 | 5.86 |
分析方法 | 元素 种类 | 谱线或波长/nm | 20 ng/mL 变化率/% | 60 ng/m 变化率/% |
---|---|---|---|---|
ICP?OES法 | Cr | 283.563 | 12.34 | 5.22 |
284.325 | 11.06 | 4.06 | ||
Ba | 455.403 | 11.73 | 3.44 | |
493.409 | 6.84 | 3.80 | ||
230.424 | 10.22 | 5.20 | ||
Cu | 324.754 | 5.99 | 4.44 | |
327.396 | 9.81 | 1.57 | ||
224.700 | 10.06 | 3.00 | ||
Sn | 189.989 | 11.01 | 2.04 | |
Cd | 228.802 | 9.01 | 3.55 | |
226.502 | 8.59 | 3.88 | ||
214.438 | 10.20 | 3.29 | ||
Al | 167.079 | 9.96 | 2.53 | |
Pb | 220.353 | 13.98 | 4.20 | |
原子吸收石墨炉法 | Pb | 217.0 | 5.18 |  ̄ |
Cr | 357.9 | 5.86 | ||
Cu | 324.8 | 3.41 | ||
Al | 309.3 | 9.06 | ||
Ba | 553.6 | 4.41 | ||
Sn | 286.3 | 13.29 | ||
Cd | 228.8 | 5.86 |
分析 方法 | 元素 种类 | 谱线或波长/nm | 20 ng/mL | 30 ng/mL | 40 ng/mL | 60 ng/mL | ||||
---|---|---|---|---|---|---|---|---|---|---|
元素平均加标回收率/% | 离子平均加标回收率/% | 元素平均加标回收率/% | 离子平均加标回收率/% | 元素平均加标回收率/% | 离子平均加标回收率/% | 元素平均加标回收率/% | 离子平均加标回收率/% | |||
ICP?OES法 | Cr | 283.563 | 87.69 | 72.30 | 100.53 | 86.01 | - | 99.21 | 84.72 | |
284.325 | 106.99 | 75.44 | 107.15 | 87.11 | 98.87 | 79.43 | ||||
Ba | 455.403 | 113.95 | 86.87 | 101.96 | 114.26 | 96.67 | 92.96 | |||
493.409 | 93.78 | 80.22 | 94.98 | 110.57 | 95.75 | 90.56 | ||||
230.424 | 82.76 | 90.70 | 96.10 | 120.96 | 102.54 | 94.79 | ||||
Cu | 324.754 | 87.95 | 88.79 | 85.63 | 114.75 | 94.10 | 92.79 | |||
327.396 | 84.64 | 85.02 | 82.52 | 113.88 | 85.09 | 94.13 | ||||
224.700 | 86.13 | 97.06 | 87.38 | 128.08 | 111.68 | 94.07 | ||||
Sn | 189.989 | 106.07 | 89.93 | 102.52 | 122.75 | 95.84 | 93.96 | |||
Cd | 228.802 | 111.79 | 94.48 | 94.67 | 127.37 | 104.56 | 93.94 | |||
226.502 | 92.28 | 83.20 | 87.53 | 111.47 | 97.12 | 94.33 | ||||
214.438 | 87.93 | 95.99 | 92.69 | 128.21 | 95.35 | 93.33 | ||||
Al | 167.079 | - | 102.83 | - | 129.36 | - | 104.41 | |||
Pb | 220.353 | 91.24 | 77.68 | 80.71 | 110.67 | 88.71 | 92.50 | |||
原子吸收 石墨炉法 | Pb | 217.0 | 117.54 | 110.09 | 89.34 | 79.38 | 90.78 | 101.59 | - | |
Cr | 357.9 | 121.86 | 110.56 | 74.32 | 81.81 | 75.24 | 96.43 | |||
Cu | 324.8 | 79.98 | 110.63 | 76.77 | 77.22 | 73.81 | 103.01 | |||
Al | 309.3 | - | 102.56 | - | 99.41 | ? | 81.40 | |||
Ba | 553.6 | 116.01 | 112.16 | 80.19 | 85.69 | 72.90 | 97.30 | |||
Sn | 286.3 | 113.58 | 116.71 | 95.75 | 110.75 | 86.82 | 95.41 | |||
Cd | 228.8 | 114.45 | 115.64 | 89.50 | 87.95 | 84.99 | 95.37 |
分析 方法 | 元素 种类 | 谱线或波长/nm | 20 ng/mL | 30 ng/mL | 40 ng/mL | 60 ng/mL | ||||
---|---|---|---|---|---|---|---|---|---|---|
元素平均加标回收率/% | 离子平均加标回收率/% | 元素平均加标回收率/% | 离子平均加标回收率/% | 元素平均加标回收率/% | 离子平均加标回收率/% | 元素平均加标回收率/% | 离子平均加标回收率/% | |||
ICP?OES法 | Cr | 283.563 | 87.69 | 72.30 | 100.53 | 86.01 | - | 99.21 | 84.72 | |
284.325 | 106.99 | 75.44 | 107.15 | 87.11 | 98.87 | 79.43 | ||||
Ba | 455.403 | 113.95 | 86.87 | 101.96 | 114.26 | 96.67 | 92.96 | |||
493.409 | 93.78 | 80.22 | 94.98 | 110.57 | 95.75 | 90.56 | ||||
230.424 | 82.76 | 90.70 | 96.10 | 120.96 | 102.54 | 94.79 | ||||
Cu | 324.754 | 87.95 | 88.79 | 85.63 | 114.75 | 94.10 | 92.79 | |||
327.396 | 84.64 | 85.02 | 82.52 | 113.88 | 85.09 | 94.13 | ||||
224.700 | 86.13 | 97.06 | 87.38 | 128.08 | 111.68 | 94.07 | ||||
Sn | 189.989 | 106.07 | 89.93 | 102.52 | 122.75 | 95.84 | 93.96 | |||
Cd | 228.802 | 111.79 | 94.48 | 94.67 | 127.37 | 104.56 | 93.94 | |||
226.502 | 92.28 | 83.20 | 87.53 | 111.47 | 97.12 | 94.33 | ||||
214.438 | 87.93 | 95.99 | 92.69 | 128.21 | 95.35 | 93.33 | ||||
Al | 167.079 | - | 102.83 | - | 129.36 | - | 104.41 | |||
Pb | 220.353 | 91.24 | 77.68 | 80.71 | 110.67 | 88.71 | 92.50 | |||
原子吸收 石墨炉法 | Pb | 217.0 | 117.54 | 110.09 | 89.34 | 79.38 | 90.78 | 101.59 | - | |
Cr | 357.9 | 121.86 | 110.56 | 74.32 | 81.81 | 75.24 | 96.43 | |||
Cu | 324.8 | 79.98 | 110.63 | 76.77 | 77.22 | 73.81 | 103.01 | |||
Al | 309.3 | - | 102.56 | - | 99.41 | ? | 81.40 | |||
Ba | 553.6 | 116.01 | 112.16 | 80.19 | 85.69 | 72.90 | 97.30 | |||
Sn | 286.3 | 113.58 | 116.71 | 95.75 | 110.75 | 86.82 | 95.41 | |||
Cd | 228.8 | 114.45 | 115.64 | 89.50 | 87.95 | 84.99 | 95.37 |
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