海水环境化学实验
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海水环境化学实验. 姚雪梅 陈雪芬 王永强 蔡岩. 海水环境化学实验. 实验一 pH 值的测定（电位法） 实验二 溶解氧测定（碘量法） 实验三 硫化物测定（碘量法） 实验四 亚硝酸盐测定（重氮 -- 偶氮法） 实验五 铵氮的测定（次溴酸钠氧化法） 实验六 活性磷酸盐测定（磷钼蓝法） 实验七 化学需氧量测定（碱性高锰酸钾法） 实验八 有机氯农药的测定（气相色谱法） 实验九 水质综合评价. 实验一 pH 值的测定（电位法）. 了解水环境中 pH 值的含量及其变化规律，掌握酸度计的使用方法。. 【 方法原理 】. - PowerPoint PPT Presentation
Transcript of 海水环境化学实验
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pH --
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pHpH
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pH
pHg
pH
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pHx pHpHs pHEx Es H 8.315F 96500T 273.16
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pHC6H4COOKCOOH25pH4.00325pH6.864Na2B4O7.10H2O25pH9.182
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pH1 C6H4COOKCOOH KH2PO4)11552 Na2HPO4)11522 Na2B4O7.10H2O 210-6S/cm 10
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2 10.12C6H4COOKCOOH10.05/ 3.388KH2PO43.530Na2HPO410.025/ 3.800Na2B4O7.10H2O11 pH 40KCl100
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10.01pHDelta3202060
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1. 30Progb2(b13)2. pH3. pHpH
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pH pHwpHmtmtwd500 pHw pHmtmtwpHwpHm pH tw tm d tm tw
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24pHpH2pH
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1233%411560.0100/713
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1150 220303250.05425052506101750213
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2 1/2
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3 1.01.020244 11.0115
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