兑水 发表于 2009-10-17 09:25:44

ASTM D 5475-1993 用氮磷检测器通过气相色谱法测定水中含氮磷...

D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
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