aadhar dhaatu

ack aadhar dhaatu ack aam aur sastee dhaatu haye, joe soney yaa chaandi jaisi keemati dhaatu key vipareet haye. mudra vigyaan mein, sikke aksar keemati dhaatu samagri seey apana moolya praapt karate hain; haalaanki, ateet aur aaj key sikkon mein bhee aadhar dhatuon kaa upayog kiya gayaa haye.
vishisht paribhaashaaen.
utkrisht dhatuon key vipareet, kshaariya dhatuon koo apekshaakrit aasaani seey okseekaran yaa kshay karke aur hydrogen banaane key liye patala hydrochloric acid (aich. see. ell.) key saath bhinn roop seey pratikriya karke alag kiya jaa sakata haye. udaharanon mein loha, nickle, seesa aur jastaa shamil hain. tambe koo ack aadhar dhaatu bhee maanaa jaataa haye kyonki yeh apekshaakrit aasaani seey okseekaran kartaa haye, halanki yeh aich. see. ell. key saath pratikriya naheen kartaa haye.
khanan aur arthshastra mein, aadhar dhaatu shabd bahumulya dhatuon koo chhodkar audyogik alauh dhatuon koo sandarbhit kartaa haye. inmein tamba, seesa, nickle aur jastaa shamil hain.
yuu.aiss. seema shulk aur seema suraksha agency vaanijyik aadhar dhatuon kii apani paribhasha mein adhik samaveshi haye. isaki soochi mein-tamba, seesa, nickle aur jastaa key alawa-nimnalikhit dhaatuen shamil hainh loha aur ispat, aluminium, tinn, tungsten, molybdenum, tantalum, cobalt, bismuth, cademium, titanium, zirconium, antimony, manganese, beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, neobium, ranium aur thallium, aur unake mishra dhaatu.
anya upayog.
plated dhaatu utpaadon key sandarbh mein, aadhar dhaatu plating dhaatu key neeche hoti haye, kyonki schafield plate mein tambe key neeche chaandi hoti haye.

