Chinese Agricultural Science Bulletin ›› 2024, Vol. 40 ›› Issue (9): 83-88.doi: 10.11924/j.issn.1000-6850.casb2023-0371
Special Issue: 生物技术
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YANG Zhangqing1,2(), XIN Yinping3, ZHAO Qing1,2, WANG Meng1,2, QIN Yilang1,2, HU Feng1,2, LI Guoqiang1,2(
)
Received:
2023-05-09
Revised:
2023-07-11
Online:
2024-03-25
Published:
2024-03-22
YANG Zhangqing, XIN Yinping, ZHAO Qing, WANG Meng, QIN Yilang, HU Feng, LI Guoqiang. Research Progress of Rapid Detection for Available Potassium in Soil by Turbidimetry[J]. Chinese Agricultural Science Bulletin, 2024, 40(9): 83-88.
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URL: https://www.casb.org.cn/EN/10.11924/j.issn.1000-6850.casb2023-0371
样品编号 | 测定值ρ/(mg/kg) | 标准加入量ρ/(mg/kg) | 测定总量ρ/(mg/kg) | 回收率/% | RSD/% |
---|---|---|---|---|---|
1 | 50.81 | 50 | 96.09 | 90.71 | 4.32 |
2 | 80.52 | 50 | 137.88 | 109.14 | 3.86 |
3 | 122.20 | 50 | 177.56 | 104.39 | 3.34 |
4 | 234.21 | 50 | 278.90 | 97.73 | 2.61 |
样品编号 | 测定值ρ/(mg/kg) | 标准加入量ρ/(mg/kg) | 测定总量ρ/(mg/kg) | 回收率/% | RSD/% |
---|---|---|---|---|---|
1 | 50.81 | 50 | 96.09 | 90.71 | 4.32 |
2 | 80.52 | 50 | 137.88 | 109.14 | 3.86 |
3 | 122.20 | 50 | 177.56 | 104.39 | 3.34 |
4 | 234.21 | 50 | 278.90 | 97.73 | 2.61 |
土样来源 | 土样数量 | 2种方法 | 测定值区间/(mg/kg) | 均值/(mg/kg) | 变异系数/% |
---|---|---|---|---|---|
新疆 | 10 | 本方法 | 71.21~437.20 | 214.28 | 53.73 |
火焰光度计法 | 73.94~717.35 | 321.55 | 65.99 | ||
内蒙古 | 5 | 本方法 | 41.65~243.63 | 156.75 | 47.86 |
火焰光度计法 | 48.05~331.28 | 218.40 | 48.45 | ||
四川德阳 | 20 | 本方法 | 42.11~263.43 | 99.36 | 65.52 |
火焰光度计法 | 86.48~459.28 | 174.27 | 58.36 | ||
湖南怀化 | 60 | 本方法 | 4.27~162.54 | 43.93 | 73.25 |
火焰光度计法 | 14.44~233.35 | 78.85 | 58.79 | ||
河南三门峡 | 30 | 本方法 | 50.28~149.03 | 81.11 | 25.78 |
火焰光度计法 | 110.89~247.52 | 149.73 | 18.01 | ||
河南驻马店 | 36 | 本方法 | 83.66~509.12 | 181.72 | 56.25 |
火焰光度计法 | 120.87~873.71 | 265.23 | 62.72 |
土样来源 | 土样数量 | 2种方法 | 测定值区间/(mg/kg) | 均值/(mg/kg) | 变异系数/% |
---|---|---|---|---|---|
新疆 | 10 | 本方法 | 71.21~437.20 | 214.28 | 53.73 |
火焰光度计法 | 73.94~717.35 | 321.55 | 65.99 | ||
内蒙古 | 5 | 本方法 | 41.65~243.63 | 156.75 | 47.86 |
火焰光度计法 | 48.05~331.28 | 218.40 | 48.45 | ||
四川德阳 | 20 | 本方法 | 42.11~263.43 | 99.36 | 65.52 |
火焰光度计法 | 86.48~459.28 | 174.27 | 58.36 | ||
湖南怀化 | 60 | 本方法 | 4.27~162.54 | 43.93 | 73.25 |
火焰光度计法 | 14.44~233.35 | 78.85 | 58.79 | ||
河南三门峡 | 30 | 本方法 | 50.28~149.03 | 81.11 | 25.78 |
火焰光度计法 | 110.89~247.52 | 149.73 | 18.01 | ||
河南驻马店 | 36 | 本方法 | 83.66~509.12 | 181.72 | 56.25 |
火焰光度计法 | 120.87~873.71 | 265.23 | 62.72 |
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