It was insensitive to pH from 2.6 to 11.8 and UV radiation. But it produced reversible sediment at pH 4.0 to 5.2. They were further extracted with a Clg solid phase extraction (SPE), and eluted by MeOH.是什么意思_It was insensitive to pH from 2.6 to 11.8 and UV radiation. But it produced reversible sediment at pH 4.0 to 5.2. They were further extracted with a Clg solid phase extraction (SPE), and eluted by MeOH.在线翻译_英语_读音_用法_例句