Amalgam_probe Amalgam_(chemistry)

-


the amalgam probe


mercury salts are, compared mercury metal , amalgams, highly toxic due solubility in water. presence of these salts in water can detected probe uses readiness of mercury ions form amalgam copper. nitric acid solution of salts under investigation applied piece of copper foil, , mercury ions present leave spots of silvery-coloured amalgam. silver ions leave similar spots washed away, making means of distinguishing silver mercury.


the redox reaction involved mercury oxidizes copper is:



hg + cu → hg + cu.






Comments

Post a Comment

Popular posts from this blog

Water_resources.2C_water_use_and_infrastructure Water_supply_and_sanitation_in_Burkina_Faso

-
the nakambe river in burkina faso in february 2009 during dry season national overview of water resources. water resources scarce in burkina faso. water availability varies between regions , seasons, year year. in south, average rainfall high 1,200mm during six-month wet season, while in north wet season lasts 3 months , rainfall 300mm. rivers in country carry water year around mouhoun river (black volta) , nakambe river (white volta), other rivers carrying water during wet season. building dams has been common way of storing water dry season, though evaporation can reach 2,000 mm/year causing substantial water losses open reservoirs. substantial portion of surface water resources shared neighboring countries. example, nakambe river - main source of supply capital, ouagadougou - , mouhoun river shared ghana. surface water resources vary between 8 billion cubic meters (bcm)/year in average year , 4 bcm in dry year. lower figure corresponds less 300 cubic meters per capita , year, be...
Read more

History Rogers_Park,_Chicago

-
1 history 1.1 native american roots 1.2 settlers 1.3 becoming part of chicago 1.4 neighborhood growth history native american roots the rogers park area developed on once convergence of 2 native american trails, known rogers avenue , ridge boulevard, predating modern metropolitan chicago. pottawatomi , various other regional tribes settled in rogers park season season. name of indian boundary park west of rogers park reflects history pottawattomie park near clark street , rogers avenue. settlers in 1809, karthauser inn established stagecoach stop , tavern. 1 of original settlers (1836) of area phillip rogers, operated toll gate beside home @ ridge , lunt avenues , traded , worked local tribes. during period 1844 1850 arriving settlers started farms along ridge in western portion of rogers park, avoiding flooded lowlands east. in 1870 rogers son-in-law, patrick i. touhy, sold 100 acres land speculators, including john farwell, luther greenleaf, stephen lunt, charles morse, , george est...
Read more

History Jefferson,_Maryland

-
the center of jefferson examined historic maps (griffith 1795; bond 1858; martenet 1865, 1885; lake 1873; usgs1910) depict jefferson on md 180 1795. designated trap town @ close of 18th century griffith (1795). local history suggests name derives large number of taverns operating @ time. purportedly, taverns situated @ both ends of town. consequently, traveler trapped on way in or out of town. the lewis mill complex , george willard house national register of historic places properties near jefferson.
Read more