थैलियम

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is lekh ka punarikshan evan sampadan hona avashyak hai. ap isamean sahayata kar sakate haian. "sujhav"

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thumb|thailiyam thailiyam avart sarani ke tritiy mukhy samooh ka aantim tatv hai. thailiyam ke do sthir samasthanik prapt haian, jinaki dravyaman sankhyaean 203 evan 205 haian. isake atirikt isake nau asthir samasthanik jnat haian. inaki dravyaman sankhyaean 199, 200, 202, 204, 206, 207, 208, 209 aur 210 haian. inamean kuchh rediyadharmi ayaskoan mean milate haian aur kuchh kritrim sadhanoan dvara upalabdh haian. is tatv ki khoj aangrej vaijnanik viliyam kruks ne 1861 ee. mean ek vishesh seleniyam yukt payarait mean varnakramamapi upakaran dvara ki thi. unhoanne bhoorjit ayask ki dhool ke varnakramamapi nirikshan mean ek halke hare rang ki rekha dekhi, jisake karan is tatv ka nam thailiyam rakha. is tatv ko laimi ne sarvapratham prithakh‌ kar isake gun dharm ka nirikshan kiya.

anek payarait ayaskoan mean thailiyam nyoon matra mean vartaman rahata hai. keval krusait namak ayask mean yah 17% matra mean upasthit rahata hai. samanyat: yah kuchh ayaskoan ki chimani dhool, ya salphyoorik aml banate samay prakoshth kich, se nikala jata hai. kich ko ubalate jal se upacharit karane par thailiyam salphet ka vilayan ban jata hai, jise chhanakar haidroklorik aml dvara kloraid mean parivartit karate haian. kloraid ko phir salphyoorik aml ki kriya dvara salphet mean parinat karane se any apadravy door ho jate haian. ubalate jal ki kriya se keval thailiyam salphet hi ghulata hai. vilayan ke vidyudvishleshan athava yashad dhatu ki prakriya dvara thailiyam dhatu milati hai.

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh

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sanbandhit lekh

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