Chromium's valence state was mostly trivalent chrome, and the hexavalence chrome content of lixiviated succus was all under 0.mg/L , according to national emission standard .mg/L (GB08. -99) .
Chromium's valence state was mostly trivalent chrome, and the hexavalence chrome content of lixiviated succus was all under 0.mg/L , according to national emission standard .mg/L (GB08. -99) .
浸出毒性试验表明，浸出液中六价铬含量低于0.mg／L，低于国家标准.mg／L(国标号：GB08． -99)。