A Chinese research team has developed an effective colorimetric method to detect lead contamination in water via fluorescent test strips.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/chinese-scientists-develop-easier-way-test-lead-water
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/xinhua
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lead
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution-control
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientists