DIN 38413-8:2000
德國對水、廢水和淤泥的標準檢驗方法.單一組份(P組).第3部分:用氣相色譜法測定次氯基三乙酸(NTA)、乙二胺四乙酸(EDTA)和DTPA(P8)
German standard methods for the examination of water, waste water and sludge - Single components (group P) - Part 8: Determination of nitrilotriacetic acid (NTA), ethylenedinitrilotetraacetic acid (EDTA) and diethylenetrinitrilopentaacetic acid (DTPA) by