The application relates to a composition for detecting Calcium or Magnesium ions (i.e. water hardness) comprising a metal indicator dye selected from the group of Alizarin Red, Eriochrome Black, Calmagite, or Murexide, the indicator dye being impregnated in a sheet of a fibrous material.
申请公布号
WO02084278(A1)
申请公布日期
2002.10.24
申请号
WO2002GB01515
申请日期
2002.04.09
申请人
RECKITT BENCKISER (UK) LIMITED;MCKECHNIE, MALCOLM, TOM;CORNELIUS, GAY, JOYCE;COKE, MARK
发明人
MCKECHNIE, MALCOLM, TOM;CORNELIUS, GAY, JOYCE;COKE, MARK
