摘要:偏钨酸铵 （Ammonium Metatungstate Tungsten，AMT）Grade AMT-1A AMT-2A AMT-1B AMT-2B AMT-1C AMT-2C Purity Min.(%) 99.95 99.90 Main Comp WO3 MIN.(%) 83.0 83.0 Content of Other Chemical Element Max.(%) Al[阅读全文]