Show OUR lake AND THE DEAD SEA last evenings evening s NEWs contained the following note in a ton of dead sea water there are pounds of salt red aea 93 mediterranean 85 Atlantic 81 english channel 72 baltic 18 black sea 26 and caspian sea 11 11 scientific note there must be something wrong with tie the above figures or with the commonly 1 accepted statement otate ment that the dead seals J bridler brunler than the great salt bait lake for in an average ton of lake water there ther is in salt to the amount of 17 per cent or pounds upon the subject above referred to a scientific friend gives the following additional and interesting information water of the great salt bait lake varies greatly in its conte contents his of dissolved solids depending upon the relation between the supply of water through streams and the evaporation A fair average of total solids dissolved in the water of the lake at its present mean level Is 19 from 19 to 20 W per cent by weight but not all of this is common bommon uit salt for beside this ingredient the water contains sodium sulphate glauber salts magnos magnesium chloride calcium sulphate gypsum and potassium sulphate A detailed analysis of water taken from the lake lc in august 1889 was made by dr talmage ee domestic Soi science enoe revised edition page this contained in all 1956 19 56 per cent dissolved solids of which 1674 1574 was common salt such water would yield total solid matter pounds to the too ton and of common salt about pounds to the ton still bill the estimate given to in the NEWS ot 01 17 per cent salt or pounds to the ton of water to is not far from the correct amount now the dead sea contains contain a greater proportion of solid matter dissolved in its waters than does the great salt bait lake much discrepancy exists among published accounts of its if contents the fluctuations in composition competition wing being du to the some causes that pile prevail till in our lake 10 vii via the relation between the apply through mud and low by evaporation A sample amato hakea from a depth of 1110 feet am feegal tal mages domestic science p oarrie per cent of dissolved solids corresponds to pounds to the too ton but of at this only per cent was waa corn com mon salt or pounds per too ton therefore though the salt lake carries carri ies a lower proportion of dissolved solids of all ah sorts aorta than does the dead sea the lake contains more than double the proportion ot the chief solid constituent of the dead sea water to is not sodium chloride common salt but magnesium chloride strictly speak speaking iDY the water of our lake in ia much brinier than that of the dead sea common salt being the chief solid dissolved in the lake nevertheless the abe dead sea is much more highly saturated with solids |