模擬生物采樣裝置的應用

1、模擬生物采樣裝置的應用第1頁，共26頁，2022年，5月20日，23點34分，星期四Main Contents(chlorinated pesticides)1 .Background2. Analytical method3. Simulated experiment conducted in lab4. Field application第2頁，共26頁，2022年，5月20日，23點34分，星期四Background2001.5.23 POPs treaty signed in Stockholm includes China.POPs：pesticides ( aldrein,chlo

2、rodane,DDT,dieldrin,endrin,heptachlor,Dechlorane mirex,Toxaphene,HCB)Industrial chemicals(HCB,PCBs)Byproducts（PCDD,PCDF, HCB,PCBs） 第3頁，共26頁，2022年，5月20日，23點34分，星期四Impacts on Environment AtmosphereWaterbody soil第4頁，共26頁，2022年，5月20日，23點34分，星期四Problems caused by pesticidesKill the beneficial birds and i

3、nsects while kill the pestsAccumulation in animal by food chainMake the pests have tolerance ability第5頁，共26頁，2022年，5月20日，23點34分，星期四Pescides used in China pesticidesProduction DDT19811999 30 tons。Commonly detected in water body/sediment/corn/vegetable/fruit/meat/people tissue aldrin Not large quantit

4、ydieldrin Not large quantityendrin Not large quantityChlorodane19771978 3000 tons，it was banned in 1979.heptachlor 19671969 17 tonsBHC60s-80s 81595 tons Commonly used and detected第6頁，共26頁，2022年，5月20日，23點34分，星期四Residue of BHC and DDT in food（10-3mg/kg） FoodsNortheastNorthern ChinaSouthwestEastern Chi

5、naSouthern ChinaBHCDDTBHCDDTBHCDDTBHCDDTBHCDDTCrops5.36.52951.6333.03.94424Vegetables2.16.114952.61.91.53.56.724Fruits2.11214950.990.91.53.59.146Plant oil1006521959.21615.0191227Chicken41325988.7252.15.27.325Aquatic food63320974.1352.32.37.625Eggs6.63218953.68.61.64.81627Milk 7050149522.02.28.11227第

6、7頁，共26頁，2022年，5月20日，23點34分，星期四Why do we choose the SPMD?Lower concentration in groundwaterPesticides can be accumulated by aquatic lifeWe care about the information not on a time point第8頁，共26頁，2022年，5月20日，23點34分，星期四Structure and potential of SPMD Two layers of low density polythene.Triolein inside第9

7、頁，共26頁，2022年，5月20日，23點34分，星期四 Caculation concentration of pollutant in SPMD第10頁，共26頁，2022年，5月20日，23點34分，星期四1 -BHC,2 HCB,3 -BHC,4 -BHC,5 -BHC,6 heptachlor、7 aldrin,8heptachlor epoxide、9 p,p-DDE,10dieldrin、11endrin,12 p,p-DDD,13 o,p DDT,14 p,p-DDT Initail 80, rate1 30/min to 185，rate2 3/min to 215，rat

8、e3 1/min to 225 keep 2min，第11頁，共26頁，2022年，5月20日，23點34分，星期四Precision（4ppb more or less） 1234567RSD(%)-BHC266.8259.9269.4264.2266.2261.4266.31.245hexachlorobenzene100.399.40102.8102.1105.099.70102.11.953-BHC164.2159.2155.5167.5159.6163.8163.02.458-BHC256.3250.2256.6251.3259.7246.5256.31.828-BHC276.326

9、5.8288.4264.3276.9255.5271.83.918heptachlro95.5194.5594.5292.5798.0195.0394.541.732aldrin107.5107.2107.0105.5110.0108.0107.51.272heptachlor epoxide 104.2108.0109.5107.0113.5109.1108.52.634p,p-DDE202.9202.9215.1214.4207.5216.4203.82.921dieldrin65.1168.9268.7165.9366.1262.2566.943.462endrin115.4106.21

10、05.1102.5109.5107.2106.53.704p,p-DDD257.5257.8242.8281.3261.1274.1263.14.725o,p -DDT128.5122.3131.9122.7132.1117.9125.24.216p,p-DDT148.5131.5137.5135.7147.1134.1132.55.029第12頁，共26頁，2022年，5月20日，23點34分，星期四Detection limits（g/L ） 1234567MDL1MDL2-BHC0.00540.00540.00500.00450.00500.00500.00540.00120.0053h

11、exachlorobenzene0.00500.00580.00500.00580.00530.00500.00550.00130.0077-BHC0.00520.00530.00520.00480.0050.00480.00520.00080.0036-BHC0.00470.00470.00530.00470.00530.00560.00500.00130.0060-BHC0.05240.05240.04520.04760.05240.05240.04760.01150.0020heptachlro0.00450.00540.00480.00520.00450.00500.00500.001

12、30.015aldrin0.00530.00510.00510.00460.00500.00510.00490.00080.014heptachlor epoxide 0.00500.00510.00490.00460.00510.00520.00510.00070.0059p,p-DDE0.00100.00110.00100.00100.00100.00100.00100.00010.0025dieldrin0.00530.00490.00530.00500.00480.00460.00510.00100.011endrin0.09100.09520.09310.10140.10340.10

13、340.10140.01930.0062p,p-DDD0.00490.00480.00510.00520.00470.00510.00510.00070.0044o,p -DDT0.05000.04930.04790.05140.05000.05140.04860.0049p,p-DDT0.039第13頁，共26頁，2022年，5月20日，23點34分，星期四 Simulated experiment Initial concentrationDistilled water（2000mL）Tap water（2000mL）Tap water（2000mL）BCH ,DDT100mg/L40g/

14、L40g/L4g/Lhexachlorobenzene52.6 mg/L20g/L20g/L2g/Lheptachlro503.335mg/L100g/L100g/L10g/LHeptachlro epoxide507mg/L100g/L100g/L10g/Laldrin497.28 mg/L100g/L100g/L10g/Ldieldrin490.82 mg/L100g/L100g/L10g/Lendrin992.97 mg/L100g/L100g/L10g/L第14頁，共26頁，2022年，5月20日，23點34分，星期四CSPMD in tap waterCw24 h70 h162 h2

15、34 h354 h594 h957h-BHC44.5027.0246.9188.0407.5759.6803.382hexachlorobenzene21.8963.7593.3664.0173.6495.6615.167-BHC44.94810.989.05310.3710.2415.508.877-BHC45.5397.9637.6368.7138.26010.503.311-BHC44.4154.4015.2358.5296.1642.0406.942heptachlro103.0393.8643.9284.6014.1545.5325.440aldrin102.5161.9521.76

16、12.2662.2982.8232.221heptachlor epoxide 107.88410.9712.1612.8613.1024.5219.31p,p-DDE42.0252.4272.0331.7211.3502.0131.658dieldrin106.0429.5519.16710.2610.1120.6215.76endrin105.1277.8146.9016.7827.02911.5811.89p,p-DDD42.8053.6724.0604.7334.3174.9972.878o,p -DDT42.0972.9042.3501.7171.4691.1391.835p,p-D

17、DT41.7122.1652.1581.3411.1750.7180.711第15頁，共26頁，2022年，5月20日，23點34分，星期四CSPMD in tap water-BHCCw24 h70 h162 h234 h354 h594 h957hhexachlorobenzene2035.5531.2925.4942.1029.3939.5324.58-BHC2011.019.83012.8718.6817.3335.2637.90-BHC2038.2637.0027.2244.3938.7160.3447.54-BHC2044.9933.5535.4344.3936.2042.6321

18、.96heptachlro2055.0026.9328.7248.8826.4813.1810.47aldrin10067.9241.9420.2730.7339.7353.8887.40heptachlor epoxide 10028.5312.577.30010.4412.7717.5531.23p,p-DDE100276.868.9359.5096.8779.80147.4154.7dieldrin2015.159.1272.8625.9005.0616.95815.44endrin10074.7948.8241.8863.1762.90121.8125.6p,p-DDD10054.89

19、36.4428.5735.3236.7273.3371.00o,p -DDT2017.0911.369.54014.4514.3618.7519.01p,p-DDT2017.128.8173.8136.2025.0254.5725.841-BHC2017.7312.233.8995.0354.7442.9325.183第16頁，共26頁，2022年，5月20日，23點34分，星期四CSPMD in distilled water Cw24 h70 h162 h234 h354 h594 h957h-BHC2031.7039.0846.2640.7647.7564.1849.84hexachlo

20、robenzene2035.4026.3941.4532.2235.1760.8744.08-BHC2036.1253.0448.7843.5450.4974.8248.87-BHC2034.9742.3749.7143.1751.2868.3032.78-BHC2043.3944.5548.4043.7050.3643.3320.21heptachlro10024.6432.4853.3533.6834.4490.2235.59aldrin10032.4724.4646.4521.2723.4789.9818.17heptachlor epoxide 10066.0889.73141.591

21、.00125.2250.0170.3p,p-DDE209.1938.58613.666.4956.04323.846.891dieldrin10050.2764.37109.863.8095.50228.0134.1endrin10037.0546.0168.6734.9060.66136.792.20p,p-DDD2012.1314.3523.7216.3816.9642.7615.02o,p -DDT2011.6410.5915.746.9227.81519.654.474p,p-DDT2012.5116.9015.835.5956.98212.693.014第17頁，共26頁，2022年

22、，5月20日，23點34分，星期四Equilibrium time Tap water with low concentration（h）tap water with high concentration (h）Distilled water with high concentration（h）-BHC594234594hexachlorobenzene594594594-BHC594594594-BHC594234594-BHC234234354heptachlro594594594aldrin594594594heptachlor epoxide 594594594p,p-DDE70705

23、94dieldrin594594594endrin594594594p,p-DDD594594594o,p -DDT7070594p,p-DDT707070第18頁，共26頁，2022年，5月20日，23點34分，星期四Uptake rate Tap water with low concentrationtap water with high concentrationDistilled water with high concentration-BHC0.061 0.127 0.081 hexachlorobenzene0.071 0.045 0.077 -BHC0.098 0.076 0

24、.094 -BHC0.066 0.137 0.086 -BHC0.033 0.042 0.092 heptachlro0.014 0.014 0.023 aldrin0.007 0.004 0.023 heptachlor epoxide 0.062 0.037 0.063 p,p-DDE0.108 0.075 0.030 dieldrin0.052 0.031 0.058 endrin0.029 0.019 0.035 p,p-DDD0.032 0.024 0.054 o,p -DDT0.061 0.049 0.025 p,p-DDT0.038 0.031 0.136 第19頁，共26頁，2022年，5月20日，23點34分，星期四Research area 第20頁，共26頁，2022年，5月20日，23點34分，星期四Section of Liangshui River第21頁，共26頁，2022年，5月20日，23點34分，星期四第22頁，共26頁，2022年，5月20日，23點34分，星期四第23頁，共26頁，2022年，5月20日，23點34分，星期四Results（ng/L）123-BHC25.6618.35NDhexachlorobenzene11.4191.38107.8-BHC69.0446.4787.65-BHC11.