我有做过实验,取三份同浓度的标准,一份A直接进样;一份B1ml用丙酮和正已烷的混合液先定容到10ml,再浓缩到1ml进样;一份C1ml用乙酸乙酯先定容到10ml,再浓缩到1ml进样。通过仪器的定量结果来看,后面二个的处理方式标准是有变化的
目标物 | 丙酮加正已烷-1ppm | 乙酸乙酯-1ppm |
敌敌畏 | 119% | 134% |
内吸磷-O | 135% | 45% |
六氯苯 | 96% | 67% |
五氯苯甲醚 | 99% | 70% |
a-BHC | 104% | 77% |
内吸磷-S | 125% | 42% |
r-BHC | 106% | 80% |
乐果 | 151% | 187% |
b-BHC | 114% | 82% |
七氯 | 108% | 88% |
d-BHC | 110% | 89% |
百菌清 | 144% | 148% |
艾氏剂 | 111% | 80% |
甲基对硫磷 | 138% | 164% |
马拉硫磷 | 167% | 156% |
抑菌灵 | 123% | 120% |
对硫磷 | 123% | 138% |
异艾氏剂 | 110% | 80% |
环氧七氯 | 112% | 81% |
对甲抑菌灵 | 123% | 126% |
o,p'-DDE | 116% | 83% |
a-硫丹 | 117% | 84% |
p,p'-DDE | 119% | 83% |
狄氏剂 | 122% | 88% |
o,p'-DDD | 121% | 86% |
异狄氏剂 | 149% | 113% |
p,p'-DDD | 110% | 86% |
o,p'-DDT | 126% | 92% |
b-硫丹 | 119% | 88% |
p,p'-DDT | 107% | 88% |
甲氧滴滴涕-1 | 130% | 75% |
甲氧滴滴涕-2 | 114% | 93% |
灭蚁灵 | 115% | 82% |
氯菊酯-1 | 157% | 121% |
氯菊酯-2 | 170% | 129% |
这个要什么理解呢?定量的结果是A做曲线定量出来的,而且是通过内标进行的定量。