taamr

taamr / Copper raasaayanik tatv
namoona
raasaayanik chinh:	Cu
parmaanu sankhya:	29
raasaayanik shrunkhala:	sankraman dhaatu
aavart saarani mein sthiti
electronic dhaancha
anya bhaashaaon mein naam:	Copper (angreji), Мaaеaaдaaь (roosi), 銅 (Japani)

taamr ya taanba ya ek bhautik tattv hai. iska sanket Cu (angreji - Copper) hai. iski parmaanu sankhya 29 aur parmaanu bhaar 63.5 hai. yeh ek tanya dhaatu hai jiska prayog vidyut ke chaalak ke roop mein pradhaanata se kiya jaata hai.

maanav sabhyata ke itihaas mein taanbe ka ek pramukh sthaan hai kyonki praacheen kaal mein maanav dvaara sabse pehle prayukt dhaatuon aur mishradhaatuon mein taanba aur kaanse (jo ki taanbe aur tin se milkar banta hai) ka naam aata hai.

anukram

samasthaanik

kam kshayasheel samasthaanik 63 tatha 65 ke alaava taanbe ke koi 2 darjan samasthaanik hain jo kshayasheel (rediyosamasthaanik) hain.

gun

taamr dhaatu vidyut tatha ushma ka suchaalak hai. is suchaalakata ki shreni mein yeh chaaaindi ke baad doosare kram par aata hai. ismein ek laalima jaisi chamak hoti hai. yeh saamaanyat: jal se abhikriya naheen karta hai par vaayavya jaarak se dheere dheere sanyog kar oksaaid banaata hai. lekin lohe mein jang lagne se bilkul alag iska oksaaid dhaatu ke oopar ek parat banaata hai jo iske aur okseekaran ko rokata hai. yeh parat staichyoo of librti (New York) par bhi dekhi ja sakti hai.

nishkarshan

taanbe ke pramukh ayaskon mein taamr glaans (Cu₂S), taamr paairaaits (CuFeS₂), kyoopraait (Cu₂O) tatha maikelaait (Cu(OH)₂.CuCO₃) ke naam aate hain. pehle fen plaavan vidhi se ayask ka saandran kar liya jaata hai. saandrit ayask ko maheen choorn karke use ek paravartani bhatthi mein vaayu pravaah ki upasthiti mein bharjit karte hain. is prakriya dvaara kyoopras salfaaid (Cu₂S) aur feras salfaaid (FeS) ka mishran praapt hota hai. ashuddhiyaaain aakseekrut hokar nil jaati hain.

iske baad ise kok ke saath vaatya bhatthi mein garm karte hain jisse feras salfaaid feras oksaaid banaata hai tatha silika ke saath abhikriya karke dhaatumal (feras siliket) banaata hua nikal jaata hai. iske baad is ko ek bhatthi mein garm karte hain to taamr ke salfaaid pehle aaksaaid mein badal jaate hain tatha fir bache hue salfaaid se abhikriya karke salfar daai oksaaid tatha taamr dete hain.

2Cu₂S + 3 O₂ → 2Cu₂O + 2 SO₂

2Cu₂O + Cu₂S → 6Cu + SO₂

chitr

Ankh, symbol for copper
alchemical symbol for copper
Práašaková měaď
Fosforečanan měaaďaanatý - Cu₃(PO₄)₂
Oxid měaaďaanatý - CuO
Foods rich in copper

Flame test

Flame test on copper sulphate
Flame test on copper sulphate seen through cobalt glass
The flame test carried out on a copper halide.

Copper extraction

Crystals of native copper
Mineral copper
Native copper
Native copper etched to show crystals
Cuprite (copper ore)
Dissolved copper from deep underground cools to form the Primary orebody
Air or water oxidizes some of the orebody
Water enriches copper below the oxidized zone creating Secondary enrichment zone (violet)
The El Chino open-pit copper mine in New Mexico.
Coppermine Chuquicamata, Chile

Products

Copper ingot from Zakros, Crete
Repoussé from Tibet, 16th Century.
Treccia in rame.
Tubo in rame.
Tubo in rame.
Copper tube.