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澳大利亞Aqua Diagnostic
PeCOD開創了COD測量的新方法，采用無毒試劑，無需消解，更環保，更安全，不受氯化物影響，可以測定海水的COD，幾分鐘內就能測定出COD值。

Aqua Diagnostic was incorporated in 2005, and has its Head Office and Applications Laboratory in Melbourne, Australia.

Aqua Diagnostic’s business mission is to become an international supplier of innovative analysis technologies, and has recently commercialized a range of product forms based on its PeCOD? technology for COD analysis (Chemical Oxygen Demand).

With its initial focus on the rapidly growing global market of Water Management, Aqua Diagnostic is able to offer the industry significant improvements in both the quality and economy of water management.