| 摘要 |
PROBLEM TO BE SOLVED: To provide a heavy metal scavenger without generating carbon disulfide even on applying to burnt fly ash containing lime and in the case of applying on fused fly ash or the fly ash containing much zinc, showing excellent scavenging effects for heavy metals such as lead, etc. SOLUTION: This heavy metal scavenger contains the morpholine dithiocarbamic acid alkali metal salt expressed by formula (I) [wherein, M is an alkali metal]. COPYRIGHT: (C)2006,JPO&NCIPI |
